Acute Kidney Injury in Sub-Sahara Africa: A Single-Center Experience from Khartoum, Sudan

2018 ◽  
Vol 45 (1-3) ◽  
pp. 201-207 ◽  
Author(s):  
Dalia E. Yousif ◽  
Alice R. Topping ◽  
Maha F. Osman ◽  
Jochen G. Raimann ◽  
Elfadil M. Osman ◽  
...  

Background: The burden of acute kidney injury (AKI) is high in Africa. While there are no reliable statistics about AKI in Africa, the Global Snapshot Study of the 0by25 initiative of the International Society of Nephrology has determined dehydration, infections, animal envenomation, and complications during pregnancy as the main causes. Methods: This study was conducted at the Soba University Hospital (SUH), Khartoum, Sudan, a tertiary referral center. We included all hemodialysis patients treated for AKI at SUH between ­January 1, 2013 and December 31, 2014 in the study. We reviewed patients’ hospital records and characterized pathogenesis, treatment, and patient outcomes. In addition, we investigated survival by Kaplan-Meier and Cox regression analysis. Results: Out of 520 patients who received emergency HD, 71 patients (14%) had AKI (age 40.6 ± 17.3 years, 56.5% were males). Glomerular and tubular-interstitial diseases were the leading cause of AKI, followed by envenomation and intoxication by hair dye. Patients received a median of 5 dialysis sessions for a median of 8 days. In 32 patients (45%) renal function recovered, 10 patients (14%) died, and 29 patients (41%) remained dialysis-dependent. Mortality was significantly higher in females compared to men (hazard ratio 4.1 [95% CI 1.02–16.67]). Outcomes were worse in patients with pre-renal AKI and intoxications. Conclusion: Our results indicate a higher mortality in females and in patients with pre-renal AKI and intoxications. Awareness of factors associating with poor outcomes is central to diagnostic and therapeutic efforts, and must be considered in the design of initiatives to reduce risk factors and improve outcomes of AKI in developing countries.

2021 ◽  
Author(s):  
Yue Cai ◽  
Qinglin Li ◽  
Shanshan Guo ◽  
Yanyan Chen ◽  
Fang Wang ◽  
...  

Abstract Background Patients with severe coronavirus disease 2019 (COVID-19) who develop acute kidney injury (AKI) in the intensive care unit (ICU) have extremely high rates of mortality. This study evaluated the prognostic impact of AKI duration on in-hospital mortality in elder patients.Methods We performed a retrospective study of 126 patients with confirmed COVID-19 with severe or critical disease who treated in the ICU from February 4, 2020, to April 16, 2020. AKI was defined according to the Kidney Disease Improving Global Outcomes serum creatinine (Scr) criteria. AKI patients were divided into transient AKI and persistent AKI groups based on whether Scr level returned to baseline within 48 h post-AKI.Results In total, 107 patients were included in the final analysis. The mean age was 70 (64–78) years, and 69 (64.5%) patients were men. AKI occurred in 48 (44.9%) during their ICU stay. Of these, 11 (22.9%) had transient AKI, 37 (77.9%) had persistent AKI. In-hospital mortality was 18.6% (n =11) for patients without AKI, 72.7% (n=8) for patients with transient AKI, and 86.5% (n=32) for patients with persistent AKI (P<0.001). Kaplan–Meier curve analysis revealed that patients with both transient AKI and persistent AKI had significantly higher death rates than those without AKI (log-rank P<0.001). Multivariate Cox regression analysis revealed that transient and persistent AKI were an important risk factor for in-hospital mortality in older patients with severe COVID-19 even after adjustment for variables (hazard ratio [HR]=2.582; 95% CI: 1.025–6.505; P=0.044; and HR=6.974; 95% CI: 3.334–14.588; P<0.001).Conclusions AKI duration is a useful parameter to predict of worse clinical outcomes in elder patients with COVID-19 in the ICU. Among AKI patients, those persistent AKI have a lower in-hospital survival rate than those transient AKI, emphasizing the importance of identifying an appropriate treatment window for early intervention.


Author(s):  
Alfano Gaetano ◽  
Ferrari Annachiara ◽  
Fontana Francesco ◽  
Mori Giacomo ◽  
Magistroni Riccardo ◽  
...  

AbstractBackgroundAcute kidney injury (AKI) is a recently recognized complication of coronavirus disease-2019 (COVID-19). This study aims to evaluate the incidence, risk factors and case-fatality rate of AKI in patients with documented COVID-19.MethodsWe reviewed the health medical records of 307 consecutive patients hospitalized for symptoms of COVID-19 at the University Hospital of Modena, Italy.ResultsAKI was diagnosed in 69 out of 307 (22.4%) patients. The stages of AKI were stage 1 in 57.9%, stage 2 in 24.6% and stage 3 in 17.3%. Hemodialysis was performed in 7.2% of the subjects. AKI patients had a mean age of 74.7±9.9 years and higher serum levels of the main marker of inflammation and organ involvement (lung, liver, hearth and liver) than non-AKI patients. AKI events were more frequent in subjects with severe lung comprise. Two peaks of AKI events coincided with in-hospital admission and death of the patients. Kidney injury was associate with a higher rate of urinary abnormalities including proteinuria (0.448±0.85 vs 0.18±0.29; P=<0.0001) and hematuria (P=0.032) compared to non-AKI patients. At the end of follow-up, 65.2% of the patients did not recover their renal function after AKI. Risk factors for kidney injury were age, male sex, CKD and non-renal SOFA. Adjusted Cox regression analysis revealed that AKI was independently associated with in-hospital death (hazard ratio [HR]=3.74; CI 95%, 1.34-10.46) compared to non-AKI patients. Groups of patients with AKI stage 2-3 and failure to recover kidney function were associated with the highest risk of in-hospital mortality. Lastly, long-hospitalization was positively associated with a decrease of serum creatinine, likely due to muscle depletion occurred with prolonged bed rest.ConclusionsAKI was a dire consequence of patients with COVID-19. Identification of patients at high-risk for AKI and prevention of kidney injury by avoiding dehydration and nephrotoxic agents is imperative in this vulnerable cohort of patients.


Author(s):  
Qi Yan ◽  
Peiyuan Zuo ◽  
Ling Cheng ◽  
Yuanyuan Li ◽  
Kaixin Song ◽  
...  

Abstract Background The epidemic of COVID-19 presents a special threat to older adults. However, information on kidney damage in older patients with COVID-19 is limited. Acute kidney injury (AKI) is common in hospitalized adults and associated with poor prognosis. We sought to explore the association between AKI and mortality in older patients with COVID-19. Methods We conducted a retrospective, observational cohort study in a large tertiary care university hospital in Wuhan, China. All consecutive inpatients older than 65 years with COVID-19 were enrolled in this cohort. Demographic data, laboratory values, comorbidities, treatments, and clinical outcomes were all collected. Data were compared between patients with AKI and without AKI. The association between AKI and mortality was analyzed. Results Of 1764 in-hospital patients, 882 older adult cases were included in this cohort. The median age was 71 years (interquartile range: 68–77), 440 (49.9%) were men. The most presented comorbidity was cardiovascular diseases (58.2%), followed by diabetes (31.4%). Of 882 older patients, 115 (13%) developed AKI and 128 (14.5%) died. Patients with AKI had higher mortality than those without AKI (68 [59.1%] vs 60 [7.8%]; p &lt; .001). Multivariable Cox regression analysis showed that increasing odds of in-hospital mortality are associated with higher interleukin-6 on admission, myocardial injury, and AKI. Conclusions Acute kidney injury is not an uncommon complication in older patients with COVID-19 but is associated with a high risk of death. Physicians should be aware of the risk of AKI in older patients with COVID-19.


2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Nittha Arrayasillapatorn ◽  
Palinee Promsen ◽  
Kittrawee Kritmetapak ◽  
Siriluck Anunnatsiri ◽  
Wijittra Chotmongkol ◽  
...  

Background. Colistin is a lifesaving treatment for multidrug-resistant Gram-negative bacterial (MDR-GNB) infections along with its well-known nephrotoxicity. The controversy of colistin-induced acute kidney injury (AKI) on mortality is noted. This study aimed to determine the risk factors and impact of AKI on the survival and significance of colistin dosage. Methods. A retrospective cohort study was performed in adult patients who received intravenous colistin for MDR-GNB treatment between June 2015 and June 2017. Factors influencing colistin-induced AKI and survival were evaluated by Cox regression analysis. Cut-off levels of the colistin dose per ideal body weight (IBW) that significantly affected clinical outcomes were assessed with linearity trends and receiver operating characteristic analyses. Results. AKI occurred in 68.5% of 412 enrolled patients with an incidence rate of 10.6 per 100 patients-days and a median time was 6 (3–13) days. Stages I–III of AKI were 38.3, 24.5, and 37.2%. Factors associated with colistin-induced AKI were advanced age, high serum bilirubin, AKI presented before colistin administration, increased daily colistin doses per IBW, and concomitant use of nephrotoxic drugs. Colistin-induced AKI was related to mortality (HR 1.74, 95% CI 1.06–2.86, p = 0.028 ). In the non-AKI before colistin usage subgroup, the total dose and total dose/IBW were >1,500–2,000 mg and 30–35 mg/kg to benefit mortality reduction but were <2,500–3,000 mg and 45–50 mg/kg for risk reduction of AKI. A daily colistin dose/IBW >4.5 mg/kg/day also increased the risk of AKI. In the AKI developed before colistin subgroup, the cut-off values of total colistin dose >1250–1350 mg and total dose/IBW >23.5–24 mg/kg demonstrated significant risks of AKI. Conclusion. The incidence of AKI after colistin administration was high and impacted mortality. Prevention and early correction of these related factors are mandatory. Careful use of colistin was also both beneficial in mortality and AKI reductions.


2019 ◽  
Vol 48 (3) ◽  
pp. 262-271 ◽  
Author(s):  
Xiaohua Sheng ◽  
Jingye Yang ◽  
Gang Yu ◽  
Yang Fei ◽  
Hongda Bao ◽  
...  

Background: Sepsis is a complex clinical syndrome leading to severe sepsis and septic shock. It is very common in the intensive care unit with high mortality. Thus, judging its prognosis is extremely important. Procalcitonin (PCT) and ­N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels are commonly elevated in sepsis patients, but only a few are discussed in the septic acute kidney injury patients (AKI) who received renal replacement therapy (RRT). Our study is aimed at investigating the prognostic value of PCT and NT-proBNP in septic AKI patients who received RRT. Methods: This was a retrospective study of septic AKI patients who underwent RRT in a Chinese university hospital. All enrolled patients tested PCT and NT-proBNP at RRT initiation. PCT and NT-proBNP levels were compared between the survivors and non-survivors. Receiver operating characteristic (ROC) curves of the 2 biomarkers were performed for predicting in-hospital mortality. According to the median value of PCT (16.2 ng/mL) and NT-proBNP (10,271 pg/mL), patients were divided into 4 groups (low PCT and low NT-proBNP; high PCT and low NT-proBNP; low PCT and high NT-proBNP; high PCT and high NT-proBNP). The Kaplan-Meier survival curves were used to analyze the 28-day survival rate in the 4 groups. Results: A total of 81 patients were enrolled in the study. Of which, 48 (59.3%) patients died during hospitalization. The median of NT-proBNP in non-survivors was significantly higher than in survivors (p = 0.001), while PCT had no significant difference (p = 0.412). The area under the ROC curve of PCT and NT-proBNP for predicting in-hospital mortality was 0.561 (95% CI 0.426–0.695) and 0.729 (95% CI 0.604–0.854). Kaplan-Meier survival curve analysis showed that increased NT-proBNP level was associated with 28-day mortality while combined with PCT there was no statistical difference in 4 different level groups. Conclusion: NT-proBNP has a certain predictive value for the prognosis in septic AKI patients who received RRT. It seems that the initial PCT value for prognosis is limited. The combination of PCT and ­NT-proBNP to evaluate the prognosis in these critically ill patients is currently unclear.


2014 ◽  
Vol 8 (11) ◽  
pp. 1476-1482 ◽  
Author(s):  
Philomena Charlotte D’Souza ◽  
Shiyam Kumar ◽  
Annupam Kakaria ◽  
Rashid Al-Sukaiti ◽  
Khawaja Farhan Zahid ◽  
...  

Introduction: Central venous catheters play an important role in the management of cancer patients. Different types of devices are associated with different patterns of complications. We report on the pattern of use and rate of complications of port-a-caths in patients diagnosed with malignant cancer at a single institution. Methodology: The data were collected retrospectively from patients who received the treatment for solid tumors or lymphoma through a port-a-cath at the Sultan Qaboos University Hospital (SQUH) between January 2007 and February 2013. Results: A total of 117 port-a-caths were inserted in 106 patients. The majority (86; 73.5%) were implanted by an interventional radiologist, and the right internal jugular vein was accessed in 79 (67.5%) patients. Mean catheter indwelling time was 354 (range 3–1,876) days for all patients, 252 (3–1,876) and 389 days (13–1,139) for patients with and without complications, respectively. Thirty (25.6%) port-a-caths were removed prematurely, mainly due to infectious complications, while 17 (14.5%) were removed after completion of treatment. Staphylococcus aureus was the most frequently isolated organism, found in 8 (6.8%) patients. Underlying diagnosis (p < 0.001), chemotherapy regimen (p < 0.001), sensitivity to antibiotics (p = 0.01), and any complication (p < 0.001) were significant factors affecting the duration of port-a-cath use. None of these factors were significant on multivariate cox regression analysis. Conclusions: The mean duration of port-a-cath use was almost one year. Infection was the most common complication leading to premature removal, followed by port thrombosis.


2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1435.2-1436
Author(s):  
D. Astorri ◽  
F. Ometto ◽  
L. Friso ◽  
B. Raffeiner ◽  
C. Botsios ◽  
...  

Background::In recent years several biosimilars (BS) of tumour necrosis factor inhibitors (TNF-i) were introduced. At the Padova University Hospital the first BS of etanercept (bsETN) was available in October 2016 and the BS of adalimumab (bsADA) was available in November 2018.Objectives:The objectives of the study were to evaluate the rate of bioriginator-biosimilar (BO-BS) switch in all patients with rheumatoid arthritis (RA), psoriatic arthritis (PSA) and axial spondiloarthritis (axSpA) in the cohort of the Padova University Hospital and to examine factors favouring BO-BS switch. Secondly, we investigated survival of BO-BS switch and BO treatment and factors associated with longer treatment survival.Methods:We considered all patients on ETN originator (boETN) treatment when the first bsETN was available (1st October 2016) and all patients on ADA originator (boADA) when bsADA was available (1st November 2018). Patients were followed until 30 August 2019 and were classified as BO-BS switchers if they underwent a switch from either boETN or boADA to BS during the follow-up, otherwise they were considered as continuing BO treatment. Factors associated with BO-BS switch were tested with a multivariable regression analysis. To test the survival of the BO-BS switch and of the BO treatment, Cox regression analysis was used including all variables achiving a p<0.10 in univariate analysis tested with Log-rank test and Kaplan-Meier curves.Results:Among 1208 patients (553 RA, 433 PSA, 215 axSpA), 560 (46.3%) patients switched to bsETN (391) or bsADA (169). Mean disease duration was 16 (14.2) years and mean duration of the bDMARD treatment was 96.3 (56.8) months. After adjustment for potential confounders, factors associated with BO-BS switch were a longer disease duration, a shorter duration of previous bDMARD treatments and diagnosis (Tab.1) RA patients had almost a 3 fold increased likelihood of being switched to BS compared to PSA and axSPA, while difference between PSA and axSPA was not significant.Following Cox regression analysis we observed a longer drug survival in BO-BS switchers compared to those continuing with BO (HR 1.38; 95% C.I. 1.2-1.58; p<0.001) (Fig. 1). A longer drug survival was also associated with a longer disease duration (.15years: HR 1.75; 95% C.I. 1.5-2; p<0.001), longer mean duration of previous bDMARDs (.5years: HR 4.1; 95% C.I. 3.5-4.7; p<0.001), and diagnosis (RA vs PSA: HR 1.22; 95% C.I. 1.02-1.47; p=0.030; RA vs axSpA: HR 0.89 95% C.I. 0.067-0.97; p=0.023; PSA vs axSpA: HR 0.66; 95% C.I. 0.57-0.77; p<0.001) (Fig 2).Figure 1.Kaplan-Meier curves for treatment survival, Log-rank test.Figure 2.Kaplan-Meier curves for treatment survival in all patients, Log-rank tesConclusion:BO-BS switch was undertaken in almost half of the patients. Patients with longer disease duration and longer bDMARD duration, were the most likely to be switched successfully to BS. BO-BS switching does not affect the survival of the treatment, indeed, it provides sustained effectiveness particularly if undertaken in patients with stable disease activity.Table 1.Factors associated with BO-BS switch, multivariate regression analysis.Disclosure of Interests:DAVIDE ASTORRI: None declared, Francesca Ometto: None declared, LARA FRISO: None declared, BERND RAFFEINER: None declared, Costantino Botsios: None declared, Andrea Doria Consultant of: GSK, Pfizer, Abbvie, Novartis, Ely Lilly, Speakers bureau: UCB pharma, GSK, Pfizer, Janssen, Abbvie, Novartis, Ely Lilly, BMS


2021 ◽  
Vol 12 ◽  
pp. 42
Author(s):  
Iuri Santana Neville ◽  
Alexandra Gomes dos Santos ◽  
Cesar Cimonari Almeida ◽  
Leonardo Bilich Abaurre ◽  
Samia Yasin Wayhs ◽  
...  

Background: The current standard treatment for glioblastoma (GBM) is maximal safe surgical resection followed by radiation and chemotherapy. Unfortunately, the disease will invariably recur even with the best treatment. Although the literature suggests some advantages in reoperating patients harboring GBM, controversy remains. Here, we asked whether reoperation is an efficacious treatment strategy for GBM, and under which circumstances, it confers a better prognosis. Methods: We retrospectively reviewed 286 consecutive cases of newly diagnosed GBM in a single university hospital from 2008 to 2015. We evaluated clinical and epidemiological parameters possibly influencing overall survival (OS) by multivariate Cox regression analysis. OS was calculated using the Kaplan–Meier method in patients submitted to one or two surgical procedures. Finally, the survival curves were fitted with the Weibull model, and survival rates at 6, 12, and 24 months were estimated. Results: The reoperated group survived significantly longer (n = 63, OS = 20.0 ± 2.3 vs. 11.4 ± 1.0 months, P < 0.0001). Second, the multivariate analysis revealed an association between survival and number of surgeries, initial Karnofsky Performance Status, and age (all P < 0.001). Survival estimates according to the Weibull regression model revealed higher survival probabilities for reoperation compared with one operation at 6 months (83.74 ± 3.42 vs. 63.56 ± 3.59, respectively), 12 months (64.00 ± 4.85 vs. 37.53 ± 3.52), and 24 months (32.53 ± 4.78 vs. 12.02 ± 2.36). Conclusion: Our data support the indication of reoperation for GBM, especially for younger patients with good functional status. Under these circumstances, survival can be doubled at 12 and 24 months.


Antibiotics ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 64
Author(s):  
Atsushi Uda ◽  
Katsumi Shigemura ◽  
Koichi Kitagawa ◽  
Kayo Osawa ◽  
Kenichiro Onuma ◽  
...  

The incidence of bacteremia caused by Enterococcus faecium, which is highly resistant to multiple antibiotics, is increasing in Japan. However, risk factors for the acquisition of E. faecium infection and mortality due to enterococcal bacteremia are not well known. We compared demographic, microbiological, and clinical characteristics using a Cox regression model and univariate analysis. We performed a multivariate analysis to identify risk factors for patients treated between 2014 and 2018. Among 186 patients with enterococcal bacteremia, two groups included in the Kaplan–Meier analysis (E. faecalis (n = 88) and E. faecium (n = 94)) showed poor overall survival in the E. faecium group (HR: 1.92; 95% confidence interval: 1.01–3.66; p = 0.048). The median daily antibiotic cost per patient in the E. faecium group was significantly higher than that in the E. faecalis group ($23 ($13–$34) vs. $34 ($22–$58), p < 0.001). E. faecium strains were more frequently identified with previous use of antipseudomonal penicillins (OR = 4.04, p < 0.001) and carbapenems (OR = 3.33, p = 0.003). Bacteremia from an unknown source (OR = 2.79, p = 0.025) and acute kidney injury (OR = 4.51, p = 0.004) were associated with higher risks of 30-day mortality in patients with enterococcal bacteremia. Therefore, clinicians should provide improved medical management, with support from specialized teams such as those assisting antimicrobial stewardship programs.


2020 ◽  
Author(s):  
Jie Shu ◽  
Yufeng HU ◽  
Xueshu Yu ◽  
Jiaxiu Chen ◽  
Wenwei Xu ◽  
...  

Abstract Background: Accumulation of iron is associated with oxidative stress (OS), inflammation and regulated cell death. The above three reactions contribute to the development of acute kidney injury (AKI). Here we aimed to investigate the association between the serum iron level and prognosis in severe patients with AKI.Methods: A total of 483 patients with AKI defined by Kidney Disease: Improving Global Guidelines (KIDGO) were included in this retrospective study. The data was extracted from the single-center Medical Information Mart for Intensive Care Ⅲ (MIMIC-Ⅲ) database. The max serum iron concentration measured after Intensive Care Unit (ICU) admission was defined as the serum iron in the study and divided into three groups (Low group, Middle group, High group). We plotted boxplots and Kaplan–Meier curves and used cox regression analysis to analyze data.Results: In univariable Cox regression analysis, serum iron levels were significantly correlated to the prognosis of AKI patients. After adjusting for confounding variables, higher serum iron level was remained to associate with the increase in 90-day mortality in the multivariable Cox regression analysis. Moreover, the risk of 90-day mortality stepwise increased as the groups of serum iron levels increased in AKI patients.Conclusions: From our study, we investigated that high serum iron level was associated with the increased mortality in severe patients with AKI. Serum iron levels on admission can be a predictor for predicting the prognosis of AKI patients.


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