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Naqvi R, Abbas K, Jafri S. WCN23-0026 URINARY BIOMARKER KIM1 IN PREDICTING PREGNANCY RELATED ACUTE KIDNEY INJURY. Kidney Int Rep 2023. [DOI: 10.1016/j.ekir.2023.02.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023] Open
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Naqvi R. POS-044 EPIDEMIOLOGICAL TRENDS IN COMMUNITY ACQUIRED ACUTE KIDNEY INJURY IN PAKISTAN: 25 YEARS EXPERIENCE FROM A TERTIARY CARE RENAL UNIT. Kidney Int Rep 2021. [DOI: 10.1016/j.ekir.2021.03.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Whelan S, Naqvi R. The Life Expectancy of a Child Born in Ireland in the Twenty-First Century. Ir Med J 2020; 113:96. [PMID: 32816431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Period Life expectancies for the Irish population are projected and published by the Central Statistics Office (CSO) and the United Nations (UN). This article estimates cohort life expectancies at birth in Ireland over the remainder of the 21st century together with 80% and 95% prediction intervals consistent with these official estimates. We report that a female born in Ireland in calendar year 2020 can be expected to live to 92.6 years with a 95% prediction interval around this estimate of 86.8 years to 97.3 years. For males born in 2020, the central estimate is 90 years with 95% prediction interval of 83.9 years to 95.2 years. The probability that cohort life expectancies at birth will reach 100 years before the calendar year 2100 is less than 10% for females and less than 2.5% for males.
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Affiliation(s)
- S Whelan
- UCD School of Mathematics & Statistics, Belfield, Dublin 4
| | - R Naqvi
- UCD School of Mathematics & Statistics, Belfield, Dublin 4
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Fan SLS, Naqvi R, Ahmad R, Thuraisingham R, Raftery MJ, Rudge CJ, Sobeh M, Yaqoob MM. Haemodialysis Access: A Single Centre UK Experience. J Vasc Access 2018; 3:101-7. [PMID: 17639470 DOI: 10.1177/112972980200300304] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background The aim of this study was to determine whether the US National Kidney Foundation Disease Outcome Quality Initiative (K/DOQI) guidelines on haemodialysis access could be achieved and to examine its relevance to patients on dialysis in the UK. Method A cross sectional study of chronic haemodialysis patients at our institution which involved case note review and measurements of biochemical parameters and dynamic venous pressure (dVP) was performed. Patients with polytetrafluoroethylene (PTFE) grafts were followed prospectively for 18 months. Results 262 patients were studied - 12%, 43%, 30% and 15% underwent dialysis through dialysis catheters, radial-cephalic fistulae (rAVF), brachial-cephalic fistulae (bAVF) and PTFE grafts respectively. RAVFs, bAVFs and PTFE grafts were the primary access (i.e. the first access created for the patient) in 58%, 35% and 7% respectively. Compared with patients of Caucasian origin, patients of Afro-Caribbean race were 3.80 times (95% confidence limit: 1.51 – 9.53) more likely to have a PTFE graft. Patients with higher “dry weights” were more likely to have PTFE grafts (p<0.005 by ANOVA). Dialysis adequacy was similar irrespective of type and site of access. We found that 64% of PTFE grafts, 46% of bAVFs and 13% of rAVF had dVPs greater than 150 mmHg, (p<0.0001 by χ2). This threshold recommended by DOQI predicted 12 of 13 dysfunctional grafts, but had a positive predictive value of only 50%. Conclusion We have demonstrated that the K/DOQI guidelines are not only achievable, but that they can be exceeded by a considerable margin. Our data also suggest that the demographic details of patients within a unit will influence the achievable proportion of AVF: PTFE grafts (the proportion of PTFE grafts in Afro-Caribbeans being 3 times higher than in Whites). Although a dVP >150 mmHg proved sensitive in predicting future graft dysfunction, it had low specificity.
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Affiliation(s)
- S L-S Fan
- Department of Nephrology, St Bartholomews and The Royal London Hospitals, Whitechapel, London - UK
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Iqbal M, Naqvi R, Mohammed S, Bilgrami M. Understanding the Experiences of Street Working Children in Karachi Using
Photovoice. Ann Glob Health 2017. [DOI: 10.1016/j.aogh.2017.03.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Abstract
Chronic illnesses can cause wide range of personality and behavioral disorders and require appropriate evaluation. Poor patient compliance with prescribed medications and other aspects of management can affect the outcome towards undesirable situation. The setting of renal transplantation presents a broad spectrum of problems and consequences. People involved (patients, their families or treating physicians) have lifelong commitment with evaluation and implementation of measures towards resolving the issues. Psychiatric evaluation is part of this scenario, which starts with evaluation of organ recipient along with donor and family as whole, right from time of diagnosis of end organ failure to transplant and then lifelong. This review highlights common issues faced at different stages of this lengthy pathway.
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Affiliation(s)
- R Naqvi
- Department of Nephrology, Sindh Institute of Urology and Transplantation, Karachi, Pakistan
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Naqvi R. Reply. Nephrol Dial Transplant 2010. [DOI: 10.1093/ndt/gfq137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Naqvi R, Naqvi A, Akhtar S, Ahmed E, Noor H, Saeed T, Akhtar F, Rizvi A. Use of isoniazid chemoprophylaxis in renal transplant recipients. Nephrol Dial Transplant 2009; 25:634-7. [DOI: 10.1093/ndt/gfp489] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Naqvi R, Akhtar S, Noor H, Saeed T, Bhatti S, Sheikh R, Ahmed E, Akhtar F, Naqvi A, Rizvi A. Efficacy of Isoniazid Prophylaxis in Renal Allograft Recipients. Transplant Proc 2006; 38:2057-8. [PMID: 16979998 DOI: 10.1016/j.transproceed.2006.06.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The efficacy of isoniazid (INH) prophylaxis in renal allograft recipients who are on long-term immunosuppression in a region highly prevalent for tuberculosis (TB) was studied. INH (300 mg/d in patients weighing more than 35 kg and 5 mg/kg/d in patients with <35 kg body weight) together with Pyridoxine 50 mg/d for 1 year was started in randomly assigned renal allograft recipients. Occurrence of clinical tuberculosis during the initial 2 years posttransplantation was observed in the risk group and patients at no risk. Risks were defined as acute rejection episodes and exposure to antirejection therapy, past history of TB completely or incompletely treated, radiological evidence of past tuberculosis, history of tuberculosis in close contacts. Among 480 patients registered in the study, INH prophylaxis was given to 219 randomly assigned renal allograft recipients. Results were compared among patients developing TB during the initial 2 years posttransplantation in both the groups. Risk factors were analyzed for comparison in both groups. No significant difference was observed in terms of past history of TB, TB in close contacts, episodes of acute rejection during the initial 3 months, and comorbidities such as cytomegalovirus infection, hepatitis C virus infection, and posttransplant diabetes. One patient from the INH group and 10 patients from the non-INH group developed TB during the initial 2 years posttransplantation (P < .0001). None of patients required discontinuation of INH. INH was observed to be safe and effective as a chemoprophylactic agent in renal allograft recipients.
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation (SIUT), Civil Hospital, Karachi 74200, Pakistan.
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Naqvi R, Noor H, Ambareen S, Khan H, Haider A, Jafri N, Alam A, Aziz R, Manzoor K, Aziz T, Ahmed E, Akhtar F, Naqvi A, Rizvi A. Outcome of Pregnancy in Renal Allograft Recipients: SIUT Experience. Transplant Proc 2006; 38:2001-2. [PMID: 16979978 DOI: 10.1016/j.transproceed.2006.06.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The course of pregnancy and its outcome was studied in renal allograft recipients. Between November 1985 and November 2005, a total of 1481 renal transplants were carried out at the Sindh Institute of Urology and Transplantation (SIUT); among them were 348 females, with 73 potential females for pregnancy. All patients received cyclosporine and prednisolone, with 82% also receiving azathioprine and 4 patients mycophenolate mofetil as a third immunosuppressant drug. We evaluated incidence of hypertension, diabetes, pre-eclampsia, urinary tract infection (UTI), rejection during pregnancy and during 3 months' postdelivery as well as outcomes of pregnancy. Among 73 potential candidates, 31 had 47 pregnancies, after an average of 31 months (8-86 months). Of 31 subjects, 21 subjects were hypertensive on one or two drugs prior to conception. A rise in blood pressure during pregnancy was noticed in 7 patients. Albuminuria from trace to 3+ appeared in 13 patients and glycosuria in one other. Blood sugar levels remained within normal range in all subjects. UTIs occurred during pregnancy in 7 patients. Among 47 pregnancies, 9 had abortions (7 spontaneous, 2 therapeutic) and 6 had preterm deliveries. The others were full-term deliveries: 12 via a lower segment caesarean section and 20 were normal vaginal deliveries. Average birth weight was 4.8 lbs. At an average follow-up of 38 months the serum creatinine values ranged from 0.94 to 2.3 mg %. One patient developed acute irreversible graft dysfunction soon after delivery. Our study demonstrated that pregnancy did not reduce renal graft survival, but newborns are at greater risk of premature birth and low birth weight.
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation (SIUT), Civil Hospital, Karachi 74200, Pakistan.
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Dadhania D, Muthukumar T, Naqvi R, Snopkowski C, Ding R, Sharma V, Li B, Seshan S, Suthanthiran M. Foxp3+ regulatory cells in urine: A biomarker of renal allograft rejection outcome. Hum Immunol 2005. [DOI: 10.1016/j.humimm.2005.08.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Although the incidence of new end-stage renal disease (ESRD) patients in Pakistan is estimated at 100 patients per million (ppm), the prevalence of those alive on renal replacement therapy (RRT) is around 40 ppm, reflecting the severe shortage of facilities. A national program was launched in 1998 to provide free RRT, but the funds were extremely limited, leading to the flourishing of suboptimal treatment in private dialysis and transplant centers. The Sindh Institute of Urology and Transplantation (SIUT), started as a small unit in 1975, took the lead in recruiting nongovernmental funds for RRT. Through the devotion of several groups, it was possible to raise funds from individuals, pharmaceutical firms, and other organizations, which permitted the development of SIUT into an independent, large, and fully equipped institution that provides free RRT including dialysis and transplantation to many thousands of patients. This prompted the government to increase its contributions to encourage SIUT to pursue its unique path.
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Affiliation(s)
- A Rizvi
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi, Pakistan.
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Naqvi A, Rizvi A, Hussain Z, Hafeez S, Hashmi A, Akhtar F, Hussain M, Ahmed E, Akhtar S, Muzaffar R, Naqvi R. Developing world perspective of posttransplant tuberculosis: morbidity, mortality, and cost implications. Transplant Proc 2001; 33:1787-8. [PMID: 11267512 DOI: 10.1016/s0041-1345(00)02680-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- A Naqvi
- Sindh Institute of Urology and Transplantation (SIUT), Dow Medical College, Karachi, Pakistan
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi, Pakistan
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Mandhan P, Hussain I, Naqvi R, Ahmed J, Ali MA, Aziz A. Persistent müllerian duct syndrome: report of two boys with associated transverse testicular ectopia. J PAK MED ASSOC 1999; 49:74-6. [PMID: 10531786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Affiliation(s)
- P Mandhan
- Department of Pediatric Surgery and Pathology, National Institute of Child Health, Karachi
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Akhtar F, Rana TA, Kazi J, Zafar N, Hashmi A, Bhatti S, Naqvi R, Mohsin R, Naqvi A, Rizvi A. Correlation between biopsies and noninvasive assessment of acute graft dysfunction. Transplant Proc 1998; 30:3069. [PMID: 9838352 DOI: 10.1016/s0041-1345(98)00933-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- F Akhtar
- Sindh Institute of Urology and Transplantation (SIUT), Dow Medical College, Karachi, Pakistan
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Naqvi R. End stage renal failure--dilemmas and hope! J PAK MED ASSOC 1998; 48:229. [PMID: 10067035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation (SIUT), Dow Medical College, Karachi, Pakistan
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Naqvi A, Akhtar F, Naqvi R, Akhtar S, Askari H, Lal M, Bhatti S, Shahzad A, Soomro S, Rizvi A. Problems of diagnosis and treatment of tuberculosis following renal transplantation. Transplant Proc 1997; 29:3051-2. [PMID: 9365662 DOI: 10.1016/s0041-1345(97)00778-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- A Naqvi
- Dow Medical College, Karachi, Pakistan
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Hashmi A, Hussain M, Hussain Z, Ahmed E, Shamsi T, Naqvi R, Ali B, Mehdi H, Mohsin R, Naqvi A, Rizvi A. Use of rHu GM-CSF in renal-transplant patients developing leukopenia. Transplant Proc 1997; 29:3053. [PMID: 9365663 DOI: 10.1016/s0041-1345(97)00779-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- A Hashmi
- Dow Medical College, Karachi, Pakistan
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Naqvi R. Malaria: persistent killer: continuing renal complications. J PAK MED ASSOC 1997; 47:197. [PMID: 9339614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Naqvi R. Acute tubular necrosis: can it be prevented? J PAK MED ASSOC 1996; 46:167-8. [PMID: 8936971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Abstract
We studied 38 patients with acute renal failure (ARF) due to malaria over a 5-year period between 1990 and 1994 at the Institute of Urology and Transplantation. There were 30 males and 8 females who ranged in age from 13 to 75 years. Most were critically ill on presentation with blood urea levels between 116 and 587 mg% and serum creatinine concentrations between 3 and 30 mg%. Anemia accompanied by hyperbilirubinemia was a result of severe hemolysis. Antimalarial therapy consisted of quinine sulfate, chloroquine, or both. Of the 38 patients, 32 required hemodialysis and eventually recovered normal (n = 29) or near normal (n = 3) function. Six patients died.
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation Civil Hospital, Dow Medical College Karachi, Pakistan
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Abstract
Between 1990 and 1993, we studied 14 cases of acute renal failure due to prolonged muscular exercise (e.g., squat jumping, sit-ups) and blunt trauma inflicted by law enforcement personnel using sticks or leather belts. None of the patients had a prior history of myopathy, neuropathy, or renal disease. All were critically ill and required renal support in the form of dialysis. Although the morbidity was high, 13 of the patients recovered normal renal function. One patient expired due to sepsis.
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation Civil Hospital, Dow Medical College Karachi, Pakistan
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Abstract
Although preventable, acute renal failure (ARF) of obstetrical origin continues to be common in developing countries. During the year 1994, we treated a total of 238 cases of ARE. Of these cases, 43 (18%) were of obstetrical origin. All of the patients were known to be previously healthy. Acute renal failure occurred in association with antepartum hemorrhage in 15, postpartum hemorrhage in 10, intrauterine death of fetus in 11, preeclampsia or eclampsia in 9, and septic abortions or puerperal sepsis in 7. Thirty-six patients required dialysis therapy because of moderate to severe azotemia. Renal histology was studied in 12 cases. Acute cortical necrosis was present in 9, extensive tubular necrosis in 2, and 1 patient had membranoproliferative glomerulonephritis. Twenty-two (51%) patients recovered normal renal function, while 11 (26%) developed irreversible renal dysfunction and 10 (23%) expired. Mortality and morbidity in this region is still quite high in obstetrical situations. Poor health infrastructure and lack of antenatal health clinics leads to development of major complications at the time of childbirth, which is mostly conducted at home by untrained personnel in quite a few cities of the country.
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Affiliation(s)
- R Naqvi
- Sindh Institue of Urology and Transplantation Civil Hospital, Dow Medical College Karachi, Pakistan
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Hussain Z, Naqvi R, Hashmi A, Hafiz S, Naqvi A, Rizvi A. Tuberculosis in renal allograft recipients. Transplant Proc 1996; 28:1516-7. [PMID: 8658766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Z Hussain
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi, Pakistan
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Naqvi A, Abbas K, Zafar N, Naqvi R, Askari H, Ahmed E, Hashmi A, Akhtar F, Rizvi A. Factors influencing patient and graft survival in living related renal transplantation at a single centre. Transplant Proc 1996; 28:1574-5. [PMID: 8658790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- A Naqvi
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi, Pakistan
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Naqvi R, Ahmed E, Akhtar F, Yazdani I, Naqvi NZ, Rizvi A. Analysis of factors causing acute renal failure. J PAK MED ASSOC 1996; 46:29-30. [PMID: 8683843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Factors leading to acute renal failure (ARF) were analysed in 376 consecutive patients between January 1993 and December, 1994 in a Karachi centre. Two hundred and sixteen (57%) had medical conditions, 86 (24%) obstetrical, 28 (7%) obstructive, 18 (5%) surgical and in 28 (7%) the causes were uncertain. Within the medical group, the causes were diarrhoea 30%, drugs 23%, malaria 15% and liver disease 5%. In the obstetrical group majority of the patients had multiple etiologies. Sixty percent of patients had ante-partum haemorrhage, 33% post-partum haemorrhage, intrauterine deaths were seen in 31%, septic abortions in 20% and pre-eclamptic toxemia in 22% cases. In the obstructive group, most of the patients had stone disease, where bilateral ureteric calculi constituted 57% of the cases. In surgical group, 11 (61%) had ARF due to post-operative complications. This data confirms the pattern of ARF from other third world countries where obstetrical and obstructive causes are high as compared to western countries.
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi
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Hashmi A, Naqvi R, Ather H, Sheikh R, Akhtar F, Naqvi A, Rizvi A. CNS infections in renal transplant recipients. Transplant Proc 1995; 27:2735. [PMID: 7482895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- A Hashmi
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi, Pakistan
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Naqvi R, Akhtar F, Yazdani I, Hafiz S, Zafar N, Naqvi A, Rizvi A. Acute renal failure due to traumatic rhabdomyolysis. J PAK MED ASSOC 1995; 45:59-61. [PMID: 7596012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Trauma and non-traumatic insults can cause muscle damage to such an extent that serious sequelae to other organs may result. Myoglobinuria and subsequent acute renal failure (ARF) is a well known and widely studied fact of such sequelae. Twelve cases of ARF (between 1990-1993) who have developed renal dysfunction after prolonged muscular exercise e.g., squat jumping, sit-ups and blunt trauma from sticks or leather belts mainly given by law enforcing personnel for certain issues were studied. None of them had previous history of myopathy, neuropathy or renal disease. All were critically ill on presentation and required renal support in the form of dialysis. Although morbidity was high in all, eleven of them recovered and one expired due to sepsis.
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Affiliation(s)
- R Naqvi
- Sindh Institute of Urology and Transplantation, Dow Medical College, Karachi
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Hoffer AP, Agarwal A, Meltzer P, Naqvi R, Matlin SA. Antifertility, spermicidal and ultrastructural effects of gossypol and derivatives administered orally and by intratesticular injections. Contraception 1988; 37:301-31. [PMID: 3371001 DOI: 10.1016/0010-7824(88)90032-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Because there are problems, in men, associated with the use of gossypol related to reversibility and, infrequently, hypokalemia, several laboratories around the world have resorted to the synthesis and evaluation of experimental analogs and optical isomers of gossypol in an attempt to find a compound which retains its pharmacologically desirable antifertility effects while eliminating its suboptimal ones. The present study documents: (a) the effects of fourteen new, orally-administered synthetic analogs of gossypol on testicular ultrastructure and fertility in hamsters, (b) the in vitro effects of these compounds as well as of the optical isomers of gossypol against hamster and human sperm, and (c) the morphological and antifertility effects of intratesticular injections of gossypol-PVP and its optimal isomers in the rat. The results of the study demonstrate that these new analogs are not effective as male antifertility agents and that their in vitro activity is unrelated to their in vivo contraceptive potential. In addition, this report establishes the validity of the intratesticular injection model for the analysis of the mechanism of action of gossypol and its analogs by making these compounds directly available at the testicular site. The significance of these findings is discussed.
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Affiliation(s)
- A P Hoffer
- Harvard Program in Urology (Brigham and Women's Hospital), Boston, MA
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