Acute kidney injury (AKI) is common in intensive care unit (ICU) and carries a high mortality rate. Reliable and comparable data about the clinical spectrum of AKI is necessary for optimizing management. The study was conducted to describe epidemiology, etiology, clinical characteristics and outcome of AKI in critically ill patients without pre-existing renal disease, diagnosed using RIFLE criteria. We retrospectively analyzed data of 500 adult patients admitted to ICU with AKI or who developed AKI in ICU. Patients with pre-existing renal disease, renal transplant recipients were excluded. AKI was predominantly encountered in older males. Diabetes, hypertension, coronary artery disease were the most commonly prevalent comorbidities. Sepsis was the most common cause of AKI, accounting for 38.6% of patients. 24.4% belonged to risk class, 37.0% to injury class, 35.0% to failure class, 3% to loss and 0.6% to ESRD class of the RIFLE criteria. Renal replacement therapy (RRT) was required in 37.2% (n = 186) of patients. About 60% recovered complete renal function. Chronic kidney disease (CKD) was a sequel in 2.4% (n = 12) of patients. Average duration of ICU stay was 5.6 days. Crude mortality rate was 37.6% (n = 188). In critically ill patients without pre-existing renal disease, elderly age, male sex, type 2 diabetes along with a primary diagnosis of sepsis were most commonly associated with AKI. Majority of the patients’ recovered complete renal function.
Pregnancy-related acute kidney injury (PRAKI) contributes to 3–7% of overall acute kidney injury (AKI) cases in Indian subcontinent. The aim of this study was to determine the outcomes of PRAKI and risk factors associated with renal injury and maternal mortality. One hundred and sixty-five patients with PRAKI, seen at M. S. Ramaiah Medical College between 2005 and 2014, were included in this, observational study. AKI was analyzed in terms of maximal stage of renal injury attained as per Risk, Injury, Failure, Loss of function, and End-stage renal disease (RIFLE) criteria. Outcomes included requirement for renal replacement therapy (RRT), maternal, and fetal mortality. Incidence of PRAKI was 1.56%, and the mean age of the study population was 25 years. Fifty percent of the patients were diagnosed with PRAKI during their first pregnancy. PRAKI was observed most commonly in the postpartum period (60%), followed by third trimester (32%); as per RIFLE criteria, failure was seen in 36% and injury in 34%. Thirty percent of cases required RRT. Sepsis (59%), pre-eclampsia, and eclampsia (56%) were the leading causes of PRAKI, while sepsis was the leading cause of maternal mortality. Maternal and fetal mortality were 20% and 22%, respectively. In univariate analysis, shock, hemorrhage requiring transfusion of >5 units packed red blood cells, oliguria, and “Loss” category of RIFLE were significantly associated with mortality. Majority of the patients (57%) required Intensive Care Unit care with a mean duration of admission at 7.3 days, and 75% was diagnosed with AKI at the time of admission. We report the lowest incidence of PRAKI in contemporary Indian literature. PRAKI was associated with high maternal and fetal mortality, with sepsis being the leading cause. No association was noted between mortality and initial stages of RIFLE criteria.
Background:The prevalence of nondiabetic renal disease (NDRD) among type 2 diabetics varies widely depending on the populations being studied and the selection criteria. Also, for patients found to have NDRD different predicting factors have been identified by different studies.Objectives:To determine: (i) Frequency and spectrum of NDRD in type 2 diabetics with atypical clinical renal disease, in our set up and (ii) common clinical markers that are associated with NDRD in our local population.Materials and Methods:Ninety-three type 2 diabetic patients with atypical clinical renal disease who had undergone renal biopsy to rule out NDRD were recruited. Patients were grouped into Group 1 with isolated NDRD, Group 2 with NDRD superimposed on diabetic nephropathy (DN), and Group 3 with isolated DN; and their clinical and biochemical parameters were statistically analyzed using analysis of variance, Kruskal-Wallis test, and Chi-square tests of statistical significance.Results:68.8% of the patients had NDRD with or without concurrent DN. Patients with isolated NDRD had shorter duration of diabetes compared to the other groups. Absence of retinopathy and presence of microscopic hematuria and active urinary sediment had positive predictive value of 79.24, 81, and 100%, respectively, for NDRD in type 2 diabetics. Chronic interstitial nephritis was the commonest NDRD and membranous glomerulonephritis was the commonest glomerular NDRD in our setup.Interpretation and Conclusions:The frequency of NDRD in type 2 diabetics with atypical clinical renal disease is high in our setup thereby making the renal biopsy procedure imperative to rule out the same. Shorter duration of diabetes, absence of retinopathy, presence of microscopic hematuria, and active urinary sediment are markers associated with NDRD in type 2 diabetes with clinical renal disease.
Postpartum acute kidney injury (PPAKI) constitutes an important cause of obstetric AKI. It is associated with high maternal and fetal mortality in developing nations. The aim of this study is to survey the etiology and outcomes of PPAKI in a tertiary care Indian hospital. Ninety-nine patients, without prior comorbidities, treated for PPAKI, between 2005-2014 at M.S. Ramaiah Medical College, were included for analysis in this retrospective, observational study. AKI was analyzed in terms of maximal stage of renal injury attained as per RIFLE criteria. Outcomes included requirement for renal replacement therapy (RRT), maternal and fetal outcomes. PPAKI constituted 60% of all obstetric AKI cases. Median maternal age was 23 years and 52% of patients were primigravidas. Mean serum creatinine was 4.1 mg/dL. Failure (33%) and injury (31%) were the major categories as per RIFLE criteria. Thirty-nine percent of cases required RRT. Sepsis, particularly puerperal sepsis, was the leading causes of PPAKI (75% of cases) and maternal mortality (94% of deaths). Maternal and fetal mortality were 19% and 22% respectively. The incidence of cortical necrosis was 10.3%. Three patients required long-term RRT. In conclusion, consistent with other Indian literature, we report a high incidence of PPAKI. We found incremental mortality on moving from "Risk" to "Failure" category of RIFLE. PPAKI was associated with high maternal and fetal mortality with sepsis being the leading cause. Our study highlights the need for provision of better quality of maternal care and fetal monitoring to decrease mortality associated with PPAKI in developing countries.
The knowledge of etiology and antibiotic resistance pattern of the organisms causing urinary tract infection is essential. This study was taken up to determine the presentation and risk factors associated with community-acquired urinary tract infection (CA-UTI). The distribution of bacterial strains isolated from these patients and their resistance pattern were also studied. This multidisciplinary prospective observational study was conducted in M. S. Ramaiah Hospital, Bangalore, between January and December, 2008. Patients who had CA-UTI confirmed by positive urine culture reports were included in the study. Statistical analysis was done using the SPSS version 16. Symptomatology and others risk factors for CA-UTI were studied in these patients and the causative organisms and their resistance patterns were recorded. Of the total 510 patients included, 57% belonged to the elderly age group (50–79 years). Fever and dysuria were the most common clinical presentation, but were not specific in predicting CA-UTI. Escherichia coli (66.9%) was the most common organism causing CA-UTIs with extended spectrum beta lactamase (ESBL) resistance seen in nearly two-thirds of these cases (42.2%). The organisms recorded least resistance against carbapenems (3.9%). A high resistance rate was seen for fluoroquinolones (74.1%). In conclusion, a high rate of ESBL-positive organisms and their resistance to commonly used antibiotics brings a concern for future options in treating these conditions.
IntroductionEmphysematous pyelonephritis (EPN) is a rare, life-threatening necrotizing infection of the kidney. The mortality rate for EPN is as high as 25%. We conducted a retrospective study at MS Ramaiah Hospital between January 2011 and May 2016 to observe the clinical, biochemical, and microbiological patterns of EPN at our institute.MethodsThe clinical and laboratory data, imaging findings, and microbiological patterns of 51 patients chosen for the study were recorded. The data were analyzed to identify the prognostic variables that could predict the morbidity and mortality of patients with EPN, and the focus of this study was to determine risk factors for and outcomes of patients who presented with EPN and who required hemodialysis. Primary endpoints were successful treatment and all-cause mortality. Secondary endpoints included need for hemodialysis and the need for a specific treatment.ResultsThere was an equal incidence among both sexes (median age: 59 years). Common symptoms were abdominal pain (94.11%), fever (83.2%), dysuria (74.5%), vomiting (72.54%), frequency of micturition (68.62%), oliguria, generalized weakness (66.67%), and breathlessness (66.67%); 98.03% (n = 50) of the patients had diabetes. The most common organism cultured was Escherichia coli (37.2%). Nineteen patients (37.2%) required dialysis; their mean age was 60.25 ± 11.74 years. Male sex, diabetes mellitus, shock, high serum creatinine at presentation, and uremic symptoms showed no statistically significant association. Indefinite hemodialysis was required by 12.5% of patients. The antibiotic-treated group had a 100% success rate, whereas the Double J (DJ) stenting group (Double J stent, Biorad, India) had 96.42% success rate.ConclusionEarly diagnosis and broad spectrum antibiotics, together with an appropriately timed intervention, resulted in decreased mortality. Pain in the abdomen and renal angle tenderness were the most common clinical finding. E coli was the most found organism, and early use of broad spectrum antibiotics decreased mortality.
Pregnancy-induced hypertension (PIH) is a known complication of late pregnancy and is an important cause of maternal and fetal morbidity and mortality. Data on clinical profile, especially renal profile of preeclampsia and eclampsia in Indian women are lacking. The aim of our study was to examine the renal profile and clinical outcomes of patients diagnosed with PIH in our institution with a focus on the spectrum of acute kidney injury (AKI). In this prospective, observational study, 347 patients with a diagnosis of preeclampsia-eclampsia, who were undergoing treatment at the M. S. Ramaiah Medical College, were included in the study. The study duration was from 2010 to 2014. Details regarding epidemiologic data, obstetric data, laboratory parameters as well as maternal, renal, and fetal outcomes were noted. Patients with preexisting hypertension, diabetes mellitus, or chronic kidney disease were excluded from analysis. The overall incidence of preeclampsia was 3.4%. Hemolysis, elevated liver enzymes, and low platelets syndrome was seen in 31 patients (9%); 56 patients (19%) had AKI with a mean serum creatinine of 3.2 mg/dL and mean proteinuria of 2.8 g/24 h. Nineteen patients required dialysis. Persistent renal failure was seen in 2.5% of the cohort. Maternal mortality was 2.5%, largely secondary to sepsis. Primiparity was a major risk factor. In this study, we found a low rate of preeclampsia in a low-to-moderate risk cohort, with an incidence of AKI and maternal mortality consistent with reported literature.
Fungal infections are an important cause of morbidity and mortality in renal transplant recipients. The causative agent and the risk factors differ depending on the period after the kidney transplant. Also the incidence varies according to the geographical area. We are reporting three cases of fungal infections in renal transplant recipients. Two of them have etiological agents which are common among immunosuppressed patients, but with an atypical clinical presentation, while one of them is a subcutaneous infection caused by a less frequent dematiaceous fungus, Aureobasidium pullulans. These cases highlight how a high index of clinical suspicion and prompt diagnosis is very much essential for better outcome. The emerging fungal infections and paucity of data regarding their management pose a challenge to the transplant physicians.
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