Diabetic nephropathy is a tragic illness. Its often insidious onset in the insulin dependent (type I) diabetic, typically a young adult, heralds the last act in the course of a disease that will increasingly become the dominant preoccupation in the patient's shortened life. For most type II diabetics, the beginning of clinical renal insufficiency is but a phase in a continuous deterioration that affects the integrity ofjob, marriage, and family. The nephropathic diabetic is hypertensive, has worsening retinopathy, and more often than not, is also plagued by peripheral vascular insufficiency, heart disease, gastrointestinal malfunction, and deepening depression. Until the 1980's, few type I diabetics who became uremic (because ofdiabetic nephropathy) lived for more than two years. Hardly any attained true rehabilitation. This dismal prognosis is changing substantially for the better. Research in diabetes has resulted in striking advances at both ends of the type I diabetic's natural history. In one exciting clinical trial now underway in London, Ontario, halfofchildhood diabetics treated with cyclosporine within six weeks of onset evince"permanent" disappearanceofhyperglycemia and the need for insulin. At the otherendofthe natural historyofdiabetes for the nephropathic patientwith worsening eye disease (renal-retinal syndrome), who receives a kidney transplant, patient and graft survival, two years after cadaveric kidney transplantation in type I diabetics is now equal to that of the nondiabetic."

Extracorporeal shock wave lithotripsy (ESWL)" arrived in the United States in February of 1984 with explosive impact in the field of urology. The first ESWL treatment in the United States with the Dornier H~ device occurred at the Methodist Hospital of Indiana, and by the end of 1984, In spite of the rapidly the United StatesESWL study group had accrued over2,5()() ESWL treatments. accumulated experience at the six institutions involved in the FDA trial of the Dornier HM] device, other urologists in this country and around the world had little opportunity to gain knowledge about the utilization of this revolutionary technique. For this reason, the Methodist Hospital of Indiana organized the first symposium on shock wave lithotripsy in February of1985. Interest in this meeting was intense, as approval of the Dornier device had occurred only a few weeks earlier in December of 1984. Because of the success of this initial meeting, subsequent meetings have been held annually in Indianapolis. Following the third annual symposium on extracorporeal shock wave lithotripsy in March of 1987, a number of participants and attendees requested that the information presented at the meeting be made available. Therefore, plans were made to publish the proceedings of the next meeting which occurred March 5 and 6, 1988. The Methodist Hospi tal ofIndiana' s 4th Symposium on Shock Wave Lithotripsy: State of the Art was the best attended meeting to date with over 650 registrants from 36 states and 24 countries.

Renal sonography forms a basic part of routine diagnostic strategy. This textbook summarizes eighteen years of experience in diagnostic ultrasound. We want it to serve as a guide to both imagers and mere consumers of information. That is why we shall emphasize practical advice and diagnostic pitfalls; it is also why we shall often deal with the relations of sonography with other diagnostic procedures, which it may complement or replace, precede or follow, the purpose being to achieve efficiency at low cost. We shall limit our subject matter to the kidney itself and the neighboring retroperitoneal compartments, dealing only briefly with the lower urinary tract, which requires specialized procedures. We devoted considerable space to renal sonography in our book Clinical Atlas of Ultrasonic Radiography, published in 1973. Since then, nothing has changed and everything has changed. Nothing, because even then the differential diagnosis between a solid and a cystic mass, the etiologic diagnosis of a nonsecreting kidney, and the positive diagnosis of a traumatic juxtarenal hematoma were quite reliable, making possible drastic reductions in the indications for instrumental roentgenologic examinations. Everything, be cause improved resolution and grey scale imaging (already partially achieved in 1973, thanks to real time) have profoundly refined both anatomic and pathologic ultrasonic studies. And now high resolution real time imaging has revolutionized renal examination techniques, whereas Doppler is entering routine ultrasonic diagnosis."

The sum of clinical problems caused by diabetic renal disease has been steadily increasing since the first edition of this book was published in 1988. The years since have seen tremendous progress in research activities. Importantly, this also includes improvement in the treatment programs to prevent end-stage renal failure. It has become clear that the diabetic kidney is extremely pressure-sensitive, responding to effective antihypertensive treatment by retarded progression of disease. Some agents may be more beneficial in this respect than others, although effective blood pressure reduction per se is crucial throughout the stages of diabetic renal disease. However, the prime cause of diabetic renal disease is related to poor metabolic control and it is now documented beyond doubt that good metabolic control is able to postpone or perhaps even prevent the development of renal disease. However, in many individuals we are not able to provide such a quality of control that will prevent complications, and therefore non-glycaemic intervention remains important.Maybe in the future non-glycaemic intervention will become the most important research area in diabetic nephropathy. Much information is now available on the exact mechanisms behind poor metabolic control and development of renal disease. It is likely that a combination of genetic predisposition and metabolic and haemodynamic abnormalities explain the progression to renal disease, seen in about 30% of diabetic individuals. Much of this development probably relates to modifiable genetic factors, such as blood pressure elevation or haemodynamic aberrations. However, mechanisms related to the response to hyperglycaemia are also of clear importance, as is the possibility that these metabolic or haemodynamic pathways may be inhibited. This volume reviews older data as well as the progress seen within the research on diabetic nephropathy over the last five years and describes the state of the art of the development.

There has been a growing awareness that nephrotoxicity represents a key factor in human nephropathies, where, irrespective of the causative agent, only a few clinical end-effects are diagnosed. Thus nephropathies are generally classified as acute or chronic renal failure, malignancies or immunological changes. The weaknesses in diagnosing nephropathies arises because of the effective role the kidney plays in maintaining homeostasis, despite the fact that it has been extensively damaged. The frequencies of some type of chemically-induced acute renal failure is well documented, but the causes of chronic renal failure, malignancy, and other nephropathies are far more difficult to associate with a chemical aetiology. Many of the new therapeutic agents have important beneficial effects, but they are found to have marked nephrotoxic effects. Thus there is a growing urgency to increase the stringency of chemical safety evaluation for their potential nephrotoxic effects. This is strongly countered by the increased financial pressure to identify potentially nephrotoxic chemicals earlier in their development and humanitarian considerations to more closely relate animal test to the clinical situation. Part of the challenge may be achieved by the increasing use of in vitro techniques.

We have witnessed a rapid development within the field of the kidney and hypertension in diabetes mellitus. A significant amount of work within the traditional areas has been published, and several new dimensions are now being developed, mostly in the experimental setting. These dimensions are discussed in several chapters of this new edition, The Kidney and Hypertension in Diabetes Mellitus, Fourth Edition. This volume endeavors to cover all aspects of renal involvement in diabetes. It is written by colleagues who are themselves active in the many fields of medical research covered in this volume: epidemiology, physiology and pathophysiology, laboratory methodology and renal pathology.

The first sporadic observations describing renal abnormalities in diabetes were published late in the 19th century, but systematic studies of the kidney in diabetes started only half a century ago after the paper by Cambier in 1934 and the much more famous study by Kimmelstiel and Wilson in 1936. These authors described two distinct features of renal involvement in diabetes: early hyperfiltration and late nephropathy. Diabetic nephropathy is, despite half a century of studies, still a very pertinent problem, renal disease in diabetes now being a very common cause of end-stage renal failure in Europe and North America and probably throughout the world. It is a very important part of the generalized vascular disease found in long-term diabetes as described by Knud Lundbaek in his mono graph Long-term Diabetes in 1953, published by Munks gaard, Copenhagen. Surprisingly, there has not been a comprehensive volume describing all aspects of renal involvement in diabetes, and the time is now ripe for such a volume summarizing the very considerable research activity within this field during the last decade and especially during the last few years. This book attempts to cover practically all aspects of renal involvement in diabetes. It is written by colleagues who are themselves active in the many fields of medical research covered in this volume: epidemiology, physiology and pathophysiology, laboratory methodology, and renal pathology. New studies deal with the dia gnosis and treatment of both incipient and overt nephropathy by metabolie, antihypertensive, and dietary invention."

For the last two decades, the topic of chronic renal failure has been dominated by discussions on dialysis and transplantation. As facilities for treating patients with end-stage renal failure have become more readily available, at least in Europe and North America, attention has once again been drawn to conservative measures which may improve both the overall prognosis and the quality of life of patients with renal impairment. Although severe renal failure may be progressive and many patients will ultimately require some form of renal replacement therapy, it is now widely appreciated that distressing symptoms can often be ameliorated by judicious medical treatment. Children as well as, and perhaps to a greater extent than, adults may benefit from such therapy. This volume examines relevant trends in the conservative man agement of both adults and children with chronic renal failure. Each chapter has been written by recognized experts and provides infor mation of clinical relevance for the average clinician. As the overall prognosis for patients with end-stage renal failure improves it is clear the management of patients with relatively stable chronic renal failure is an important topic not only for nephrologists but for all practising clinicians."

It is increasingly recognized that various transporter proteins are expressed throughout the body and determine absorption, tissue distribution, biliary and renal elimination of endogenous compounds and drugs and drug effects. This book will give an overview on the transporter families which are most important for drug therapy. Most chapters will focus on one transporter family highlighting tissue expression, substrates, inhibitors, knock-out mouse models and clinical studies.

There is a rapid increase in interest related to novel approaches in artificial kidneys, artificial liver, and detoxifi cation. Recent research has included the successful clinical appli cations of the principle of artificial cells for adsorbent hemo perfusion. Since it is 20 years ago at McGill that the first report on "Artificial Cells" was presented, I thought it might be useful to get together a small group of speakers and participants for a day before the ASAIO meeting to discuss some recent advances in the area of the clinical applications of artificial kidney, artificial liver and artificial cells with emphasis on adsorbent hemoperfusion. However, the enthusiastic supports of distinguished speakers, session chairmen and participants were such that the original pro jection of 100 participants had expanded to a preregistration total of 250, from Australia, Canada, England, France, Germany, Israel, Italy, Japan, The Netherlands, Scotland, Sweden and U. S. A. The program also expanded to include a review section on hemodialysis, dialysate regeneration, hemofiltration, resin hemoperfusion and oxystarch given by their respective originators. The remaining of the symposium emphasizes the status of the art on different encap sulated adsorbent hemoperfusion approaches. I would like to apolo gize to those who we could not accommodate beca se of space limita tions. It is hoped that this symposium volume may be useful for them and for others who are interested in this area. Special thanks are due to Ms Joanne Toms for her excellent secretarial assistance for the conference and Mrs."

This book with its most comprehensive and illuminating chapters covers all the relevant areas of hemodialysis practice including access for hemodialysis, hemodialysis modeling and membranes, timing of hemodialysis, infections in hemodialysis, the application of hemodialysis in extra-renal disease, the various formats of hemodialysis from nocturnal through SLED to apheresis and the wearable artificial kidney, convective hemodialysis methodologies, and various clinical aspects of hemodialysis including protein-calorie-malnutrition, inflammation, haemoglobin stability and sleep disorders in ESRD patients and so on. Furthermore, the inclusion of such new topics as the syndrome of rapid-onset end stage renal disease (SORO-ESRD), and the place of reduced HBV testing among ESRD patients in regions with less de novo HBV incidence to cut down on costs of delivery of hemodialysis care without loss of quality of care, are new paradigms that would play stronger roles in hemodialysis care, well into the 21st century.

In 1968 Drs. B. E. C. Nordin and A. Hodgkinson organized the First International Symposium on Urolithiasis Research in Leeds, England. One hundred and five participants from continental Europe, Great Britain, and the United States met to review their work and exchange ideas regarding the formation of urinary calculi. This meeting achieved several important goals. It pulled together a nidus of workers in the many scientific disciplines that relate to urolithiasis. This nidus served as the seed for research growth in a complex, interdisciplinary field. It established a forum for con tinuing communication in urolithiasis research with subsequent sym posia being held every 4 years. The Williamsburg Symposium was the fourth in the Leeds-Madrid Davos series involving 186 participants from throughout the world. A stated emphasis was on clinical research under way in the field. There were no invited speakers and for the first time the 41 papers that were presented orally at the meeting were selected from 184 submitted abstracts. A total of 134 papers were presented in the poster sessions in the afternoons where informal exchange between interested participants and investigators could occur without the restrictions of a plenary session. Virtually all areas of urolithi asis research from the most fundamental physical chemistry to clinical patterns of disease and specific modes of treatment were presented, reviewed and discussed during the meeting.

Peritoneal dialysis represents an internal technique for blood purification. In this dialyzer the blood path, the membrane, and the dialysate compartment are provided by nature. The developments of chronic peritoneal catheters, auto mated cycling equipment, solution preparation by reversed osmosis, manipula tions of transport with drugs, and the experiences with continuous ambulatory peritoneal dialysis and continuous cycling peritoneal dialysis have increased the interest in peritoneal dialysis. Publications related to peritoneal dialysis exceed 400 annually. The Peritoneal Dialysis Bulletin represents a new journal devoted to peritoneal dialysis developments. The Third International Symposium on Peri toneal Dialysis is to be held in Washington, D.C. in 1984. From this meeting it is likely that an International Society for Peritoneal Dialysis will emerge. This book is meant to provide an overview of the state of the art of peritoneal dialysis. Many clinicians are making extensive commitments to peritoneal dialysis for the first time. Nephrologists, physiologists, pharmacologists, biomedical engineers, and even physicists are involved in studies to better understand peritoneal dialysis. The complexities of peritoneal dialysis and the peritoneal membrane are becoming apparent. Studies of peritoneal dialysis increase under standing of the anatomy and physiology of biological membranes and of factors influencing the passive movement of solutes across the microcirculation and related structures. Peritoneal dialysis provides a 'window' to the visceral micro circulation in animals and humans. Peritoneal dialysis may be useful to treat problems other than renal failure."

Kathleen and 24 of her fellow patients provide easy-to-read helpful tips and share their personal experience, that is both useful and informative. This book will certainly assist those who are currently on dialysis or about to start it. Dialysis is not easy, but this information may give you a much better understanding and change the way you feel about it. Attitude is most important. Staying positive and finding some new ways to combat the negatives just might make it a whole lot easier.

After a decade or longer, approximately one-third of individuals with either type 1 or type 2 diabetes commence a downhill course in which decreasing renal function and failing vision define a Renal-Retinal Syndrome, dominating all aspects of life and presaging early death. Only a generation ago, survival after onset of end-stage renal disease (ESRD) in diabetes was limited because rehabilitation was preempted by blindness, limb amputation, stroke, and heart disease. By 1998, however, team management has improved the outlook, with preserved sight and return to work and home responsibilities, usually for a decade or longer, following kidney transplantation and laser photocoagulation. Recognition of the critical requirement for blood pressure regulation and metabolic control are central themes in management. In this unique book, the accomplishments of ophthalmologists, nephrologists, diabetologists, transplant surgeons, and basic scientists are blended into a strategic approach that may be readily applied by all those caring for diabetic patients. Each of twenty-one presentations suitable for primary care physicians, as well as for subspecialists concerned with macrovascular and microvascular complications of diabetes, is placed in perspective by an introductory editorial analysis. Promising near-term innovative therapies, including insertion of genetically engineered beta cells or polymer-coated islets of Langerhans, interdiction of kinins that promote retinal angiogenesis, and prevention of synthesis of advanced glycosylated endproducts (AGEs), are presented in detail. While comprehensive care of diabetic patients reflects multiple incremental advances that in sum afford major benefit, this text envisions further remarkable changes likely to suppress and possibly entirely prevent the Diabetic Renal-Retinal Syndrome.

The 1991 International Yearbook of Nephrology is the third in a sueeessful .eries whieh has, as its principal aim, thc presentation of a eomprehensive list of topfes of the greatest current relevanee to elinieal nephrologists. We believe that, by following the subjeets eovered by the Yearbook in the broad field of nephrology, the praetieing nephrologist and nephrologist-in-training ean stay abreast of a number of rapidly advaneing fields. To improve the quality of the Yearbook, we have appointed an Editorial Board to provfde suggestions for topies and authors. Thus, we have invited 58 outstanding nephrologists from around the world (the list of them is included in this issue of the Yearbook) to identify annually potential topies for the Yearbook. The reply was exeel lent and the contribution quite outstanding. Thus, for the 1992 Yearbook, we reeeived more than 150 suggestions. A number of them will be included in the next issue if they continue to be viewed as eurrent and important. We also invite readers to suggest topies for upeoming issues of the Yearbook. The present issue, the 1991 Yearbook, represents an improvement over previous volumes. We expeet this trend to be maintained in future years. As in previous issues, all ehapters provide a eomplete, aeeurate and up-to-date list of important references. We are grateful to all the authors for their exeellent eontributions and for having fulfilled the deadline in forwarding their manuseript. Our special thanks to Kluwer Aeademie Publishers for the timely publieation of this volume."

In all varieties of organ transplants, early results have dramatically improved over the past two decades and failures due to acute rejection are becoming rarer. Efficient immunosuppressive regimens have been developed with the objective of very good results at 1, 3 and 5 years. Successful transplants, however, are significantly less frequent at 10 and 20 years, and many patients require retransplantation. Many factors are involved in late graft loss and it is now well recognized that, in addition to chronic rejection, a number of non-immunologic factors play a prominent role. In the case of renal transplantation, a reduced mass loss (transplantation of a single kidney, sometimes from an aged donor, ischemic injury and alteration of some nephrons in the case of early acute rejection) will result in slowly progressing chronic renal failure, even in the absence of any supplementary attack of an immunological nature. The new treatments must be analyzed in the light of their capacity to reduce these late failures. Several preventive measures can also limit both immunologic and non-immunologic factors of late transplant deterioration.

We are pleased to present to our readers the proceedings of th~ Third Bari Seminars in Nephrology. The tDpic ~f these proceedi~gs deals with effects of drugs and o:.yst el'll C ct i se;'Isc;- an the Id dney. Tho B?rj S~~jnar5 in Nephr~logy are bi-annual meetings ~tt~~~Dd k) D large international audience comprised of clinicians-scientist~ in the various displines of ~~phrnlDgy nnrl rQlated fi~ld$. The ne~t Bari S~mjnar5 of Nephrology will take place i" npril 19qn ~nd thp theme of the gathering will be Interstitial Nephritidies and Obstructive Uropathy. We are indc-bted for the goner-ells financial support of the Centro N::I~innalC' tiGBP:'llGBP'", Pichp.rche, Italy. Alberto Amerio Pasquale Coratelli Vito M. Campese Shaul G. Massry vii CONTENTS Lupus Nephritis: Pathogenesis, Course and Management .*..*...3 James E. Balow Prognostic Determinants in Lupus Nephritis ...*...* 17 P. Coratelli, R. Rizzi, G. Pannarale, A. Ramunni M. Giannattasio, and G. Passavanti Thrombotic Microangiopathy in Lupus Nephritis . * * . . 35 . M.T. Porri, M.I. Quarenghi, F. Ferrario G. Colasanti, R. Rossi, E. Schiaffino, G. Toia, and G. D'Amico Vasculitis and the Kidney . * ...* ...* * * 41 .

We are pleased to present to our readers the proeeedings of the Seeond Bari Seminars in Nephrology. The topie of theses proeeedings deals with elinieal and experimental aspeets of aeute renal failure. The Bari Seminars in Nephrology were initiated in 1984 and will be held every two years. It is attended by a large number of international elinieal seientists in the diseiplines of nephrology and related fields. The next Bari Seminars in Nephrology will take plaee dur i n g Ap r i 1 2 0 - 2 4 i n 1 988 'a n d t he t he m e 0 f t he ga t her i n g w i 1 1 be Drugs, Systemie Diseases and the Kidney. \\e are indebted for the generous finaneial support of the Centro Nazionale delle Rieherehe, Italy. Alberto Amerio Pasquale Coratelli Vito M. Campese Shaul G. Massry vii CONTENTS I. PATHOPHYSIOLOGY AND STRUCTURAL CHANGES OF ACUTE RENAL FAlLURE Pathogenesis of Acute Renal Failure 3 M. Burnier and R. W. Schrier Structural-Functional Correlates in Acute Renal Failure . . . . . . 15 G. Eknoyan, D. C. Dobyan, and R. E. Bulger Long Term Clinical and Morphological Evaluation of Acute Renal Failure . . . . . . 27 V. Bonomini, A. Vangelista, G. Frasca, S. Stefoni, M. P. Scolari, and G. Feliciangeli The Role of Renal Biopsy in Acute Renal Failure . . . . . . . . . . 35 G. D'Amico, G. Colasanti Catabolism in Acute Renal Failure: Importance of Glucocorticoids and Lysosomal Enzymes . . . . . 41 A. Heidland, R. M. Schaefer, J. Weipert, E."

We are pleased to present to our readers the Proceedings of the Third International Workshop on Phosphate and Other Minerals which was held in Madrid, during July 15-18, 1977. It was hosted by Dr. Aurelio Rapado, Head of the Metabolic Unit at the Fundacion Jimenez Diaz. The Third International Workshop was organized in the tradition of the previous two Workshops. Scientists from 15 countries attended the meeting which provided a forum for formal presentations and informal discussions of topics of current interest in the field of phosphate metabolism, and that of the homeostasis of other minerals. One day of the Workshop was devoted to the subject of Phosphate Depletion. The latest information on the various aspects of the metabolic consequences of phosphate depletion were brought into focus. In the preface of the Proceedings of the Second International Workshop on Phosphate, we indicated that the enthusiasm with which these Workshops were received generated the idea for the creation of a Journal which will publish research endeavors related to mineral and electrolyte metabolism. These efforts were brought into fruition, and the first issue of the new Journal, M). . neJLai. . and E-te. c. ;tJr. o-ty-te. Me. -taboWm has already appeared in November, 1977. It is published by Karger of Basel, Switzerland under the Editorship of Dr. Shaul G. Massry of Los Angeles, with Dr. Louis V. Avioli of St. Louis and Dr. Eberhard Ritz of Heidelberg, serving as Associate Editors.

We are pleased to present to our readers the Proceedings of the Sixth International Workshop on Phosphate and Other Minerals which was held in Verona, Italy, during June 24-26, 1983. It was hosted by Professor Giuseppe Maschio, Professor of Medicine and Chief, Department of Nephrology at the University of Verona. The Sixth Workshop maintained the tradition of the previous ones. It provided a unique and outstanding opportunity for close interaction between scientist involved in the research of the overall field of Mineral Metabolism. The current Workshop was attended by 250 scientists from 15 countries including Austria, Canada, Denmark, England, France, Germany, Holland, Israel, Italy, Japan, Spain, Sweden, Switzerland, and the United States of America. The topics discussed included the renal handling of phosphate, transport of other minerals, intestinal absorption of calcium and phosphate and phosphate homeostasis in health and disease. Two symposia dealing with the recent developments of the interactions between minerals, parathyroid hormone, and blood pressure and between minerals and myopathies were included. In addition to the 15 State-of-the-Art Lectures, there were 43 oral and 63 poster presentations selected from over 200 abstracts sub mitted to the Program Committee. The Seventh International Workshop on Phosphate and Other Minerals will be held during September, 1985, in Marseille, France. It will be hosted by Professor Michel almer, Chief of the Department of Nephrology at the University of Marseille. The theme of this coming Workshop will focus on the pathophysiology of phosphate homeostasis and the metabolism of other minerals."

Anti-native DNA antibodies and DNA are present in cryopreClpItates from patients with systemic lupus erythematosus and some other cryoglob ulinemic states. The data suggest that these antibodies may be bound in immune complexes. The demonstration of native DNA in these precipitates raises the likelihood that they represent specific antigen in these complexes. Whether or not these complexes play a pathogenetic role in nonlupus inflammatory diseases remains to be demonstrated. References Aarden, L. A., de Groot, E. R., and Feltkamp, T. E. W., 1975, Immunology of DNA. III. Crithidia luciliae, a simple substrate for the determination of anti-dsDNA with the immu nofluorescence technique, Ann. N.Y. A cad. Sci. 254:505. Agnello, V., Winchester, R. J. and Kunkel, H. G., 1970, Precipitin reactions of the Clq component of complement with aggregated 'Y-globulin and immune complexes in gel diffusion, Immunology 19:909. Anker, P., Stroun, M., and Maurice, P. A., 1975, Spontaneous release of DNA by human blood lymphocytes as shown in an in vitro system, Cancer Res. 35:2375. Bankhurst, A. D., and Williams, R. C., 1975, Identification of DNA-binding lymphocytes in patients with systemic lupus erythematosus, ]. Clin. Invest. 56:1378. Bluestone, R., Goldberg, L. S., Cracchiolo, A., and Barrett, E. V., 1970, Detection and characterization of DNA in mixed (IgG-IgM) cryoglobulins, Int. Arch. Allergy Appl. Immunol. 39:16."

Im Juni 1979 hatte in Dusseldorf ein Symposion uber Diuretika stattgefunden. Behandelt wurden experimentelle und klinische Ergebnisse mit Diuretika, unter anderem mit Diucomb. Ziel des Symposions war, Untersuchungsergebnisse zu referieren und diskutieren. Teilnehmer waren Wissenschaft ler aus der Schweiz, Osterreich, Grossbritannien, USA und der Bundesrepublik Deutschland. Das Material dieses Symposions wurde uberarbeitet, Diskussionen durch einen Redaktionsstab gestrafft. Wir danken Frau J. BOROS fur wertvolle technische Assistenz. Der Springer-Verlag hat uns wiederum sach kundig beraten und ist in grosszugiger Weise unseren Wunschen entgegengekommen Die Herausgeber Inhaltsverzeichnis Einleitung. F. KRUCK . . . . . . . . . . . . . 1 1. Wirkungsmechanismen. Moderation: K. GREEFF . 3 Plasma Concentrations and Comparative Bioavailability of Bemetizide and Triamterene in Combination. L. F. CHASSEAUD . . . . . . . . 5 Pharmakokinetik von Diuretika bei eingeschrankter Nierenfunktion. H. KNAUF und E. MUTSCHLER 14 Diskussion 24 Neue Daten zur Toxizitat von Diuretika. F. LEUSCHNER 26 Diskussion 29 2. Renale Wirkungen. Moderation: O. KRAuPP. . . . . . . . . . . . 33 Die Wirkungsweise diuretischer Substanzen in Abhangigkeit von ihrer re- len Behandlung. P. DEETJEN . . . . . . . . . . . . . . . . . . . 35 Effects of Diuretics on Renal Potassium and Hydrogen Ion Transport. G. GIEBISCH and M. HROPOT . . . . . . . . . . . . . . . . . . . 42 Wirkungen von Diuretika auf den transzellularen Elektrolyttransport der Niere. M. WIEDERHOLT und L. L. HANsEN 53 Diskussion 60 Interaktion zwischen Diuretika und renalem Prostaglandinsystem. H. J. KRAMER, B. STINNESBECK, W. PRIOR und R. DUSING 64 71 Diskussion Untersuchungen zum Wirkungsmechanismus von Acetazolamid und SITS auf den Bikarbonattransport im proximalen Tubulus der Rattenniere."

The first edition of this book was well received by updated. The two of us have made further collab orative efforts to present a better understanding of medical students, graduate students, and clinicians interested in furthering their understanding of basic the function of the kidney in conjunction with the principles of renal physiology. Most of the reviews most recent anatomical findings. of the first edition and comments from the various The second edition consists of 13 Chapters and 3 instructors who used the book were very positive Appendices. As in the first edition, the anatomical and complimentary with regard to the presentation description of the kidney is incorporated into the of the physiological information and the use of the various chapters dealing with kidney functions. Most system analysis approach to describe renal function. of the anatomical information was written by Wil These positive and encouraging comments over the helm Kriz. The physiological information was writ past nine years, since the publication of the first ten by Esmail Koushanpour, except for Chapter 12 edition, gave us the impetus to consider the prepa which was jointly written. Chapters 1 through 3 were ration of a second edition."

Infectious and non-infectious tubulointerstitial nephropathies are old subjects but there is enough confusion and disagreement on terminology and etiopathogenesis to warrant a new look at these problems. We were fortunate in having at the Pediatric Nephrology Seminar 6 and as contributors to this volume, the representative- or shall I say "originators"? - of each of the three most identifi- able positions: Dr. Renee Habib - congenital anomalies, Dr. John Hodson - reflux, and Dr. Robert Heptinstall - infection. Although some tend to hold onto one position and exclude others, in this case there was overlapping of perception. Dr. Habib accepts a role for infection in reflux and for infection in the presence of obstruc- tion; Dr. Hodson accepts infection and congenital anomalies as modi- fiers; and Dr. Heptinstall takes an overall position whicm encompas- ses the three. Thus the first part of the book emphasizes the complexity of something as seemingly simple as UTI and demonstrates awareness of disagreement even among the pros about meanings, interpretations, and treatment. Drs. Gustavo Gordillo, Jorge de la Cruz and their associates emphasize the importance of predisposing factors for UTI; Dr. Materson focuses on the workup of the patient, Dr. Zillerueloon bacteriological aspects, and Dr. Gorman on treatment approaches. Dr. Vaamonde reviews nephrotoxic agents. Finally, Drs. Andres and Noble review the immunological aspects of various tubulointer- stitial nephritides.