Acute and Critical Care

Original Articles

Nephrology
Epidemiology and outcome of an acute kidney injuries in the polytrauma victims admitted at the apex trauma center in Dubai: Bhushan Sudhakar Wankhade, Zeyad Faoor Alrais, Ghaya Zeyad Alrais, Ammar Mohamed Abdel Hadi, Gopala Arun Kumar Naidu, Mohammed Shahid Abbas, Ahmed Tarek Youssef Aboul Kheir, Hasan Hadad, Sundareswaran Sharma, Mohammad Sait; Acute Crit Care. 2023;38(2):217-225. Published online May 25, 2023; DOI: https://doi.org/10.4266/acc.2023.00388

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Abstract PDF: Background
Polytrauma due to road traffic accidents is one of the common causes of hospital admissions and deaths. Acute kidney injury (AKI) is frequently observed in polytrauma victims. It has a significant impact on patient’s outcomes after polytraumas.
Methods
This is a single-center, retrospective, and observation study done at a tertiary health care center in the state. Polytrauma victims with an Injury Severity Score (ISS) of more than 25 were included in the study.
Results
The incidence of AKI in polytrauma victims is 30.5%. It is common in patients with a higher Carlson comorbidity index (P=0.021). It is more common in patients with higher ISS (P=0.001). On logistic regression, there is good regression between ISS value and AKI (odds ratio [OR], 1.191; 95% confidence interval [CI], 1.150–1.233; P<0.05). The main causes of trauma-induced AKI are hemorrhagic shock (P=0.001), need for massive transfusion (P<0.00), rhabdomyolysis (P=0.001), and abdominal compartment syndrome (ACS; P<0.001). On multivariate logistic regression AKI can be predicated by higher ISS (OR, 1.08; 95% CI, 1.00–1.17; P=0.05) and low mixed venous saturation (OR, 1.13; 95% CI, 1.05–1.22; P<0.001). The development of AKI after polytrauma increases length of stay (LOS)-hospital (P=0.006), LOS-intensive care unit (ICU; P=0.003), need for mechanical ventilation (MV) (P<0.001), ventilator days (P=0.001), and mortality (P<0.001).
Conclusions
The incidence of AKI after polytrauma is about 30.5%. It is more common in a patient with preexisting comorbidities. The frequent causes of AKI after polytrauma are hemorrhagic shock, massive blood transfusion, rhabdomyolysis, and ACS. Although the AKI after polytrauma increases LOS-hospital, LOS-ICU, the need for MV, ventilator days, and mortality, this association may be related to more severe injuries in the AKI group.

Pulmonary
Relationship between positive end-expiratory pressure levels, central venous pressure, systemic inflammation and acute renal failure in critically ill ventilated COVID-19 patients: a monocenter retrospective study in France: Pierre Basse, Louis Morisson, Romain Barthélémy, Nathan Julian, Manuel Kindermans, Magalie Collet, Benjamin Huot, Etienne Gayat, Alexandre Mebazaa, Benjamin G. Chousterman; Acute Crit Care. 2023;38(2):172-181. Published online May 25, 2023; DOI: https://doi.org/10.4266/acc.2022.01494

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Abstract PDF Supplementary Material: Background
The role of positive pressure ventilation, central venous pressure (CVP) and inflammation on the occurrence of acute kidney injury (AKI) have been poorly described in mechanically ventilated patient secondary to coronavirus disease 2019 (COVID-19).
Methods
This was a monocenter retrospective cohort study of consecutive ventilated COVID-19 patients admitted in a French surgical intensive care unit between March 2020 and July 2020. Worsening renal function (WRF) was defined as development of a new AKI or a persistent AKI during the 5 days after mechanical ventilation initiation. We studied the association between WRF and ventilatory parameters including positive end-expiratory pressure (PEEP), CVP, and leukocytes count.
Results
Fifty-seven patients were included, 12 (21%) presented WRF. Daily PEEP, 5 days mean PEEP and daily CVP values were not associated with occurrence of WRF. 5 days mean CVP was higher in the WRF group compared to patients without WRF (median [IQR]: 12 mm Hg [11-13] vs. 10 mm Hg [9–12], P=0.03). Multivariate models with adjustment on leukocytes and Simplified Acute Physiology Score (SAPS) II confirmed the association between CVP value and risk of WRF (odd ratio, 1.97; 95% confidence interval, 1.12–4.33). Leukocytes count was also associated with occurrence of WRF in the WRF group (14.3 G/L [11.3–17.5]) and the no-WRF group (9.2 G/L [8.1–11.1]) (P=0.002).
Conclusions
In Mechanically ventilated COVID-19 patients, PEEP levels did not appear to influence occurrence of WRF. High CVP levels and leukocytes count are associated with risk of WRF.

Trauma
Selection of appropriate reference creatinine estimate for acute kidney injury diagnosis in patients with severe trauma: Kangho Lee, Dongyeon Ryu, Hohyun Kim, Sungjin Park, Sangbong Lee, Chanik Park, Gilhwan Kim, Sunhyun Kim, Nahyeon Lee; Acute Crit Care. 2023;38(1):95-103. Published online February 27, 2023; DOI: https://doi.org/10.4266/acc.2022.01046

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Abstract PDF: Background
In patients with severe trauma, the diagnosis of acute kidney injury (AKI) is important because it is a predictive factor for poor prognosis and can affect patient care. The diagnosis and staging of AKI are based on change in serum creatinine (SCr) levels from baseline. However, baseline creatinine levels in patients with traumatic injuries are often unknown, making the diagnosis of AKI in trauma patients difficult. This study aimed to enhance the accuracy of AKI diagnosis in trauma patients by presenting an appropriate reference creatinine estimate (RCE). Methods: We reviewed adult patients with severe trauma requiring intensive care unit admission between 2015 and 2019 (n=3,228) at a single regional trauma center in South Korea. AKI was diagnosed based on the current guideline published by the Kidney Disease: Improving Global Outcomes organization. AKI was determined using the following RCEs: estimated SCr75-modification of diet in renal disease (MDRD), trauma MDRD (TMDRD), admission creatinine level, and first-day creatinine nadir. We assessed inclusivity, prognostic ability, and incrementality using the different RCEs. Results: The incidence of AKI varied from 15% to 46% according to the RCE used. The receiver operating characteristic curve of TMDRD used to predict mortality and the need for renal replacement therapy (RRT) had the highest value and was statistically significant (0.797, P<0.001; 0.890, P=0.002, respectively). In addition, the use of TMDRD resulted in a mortality prognostic ability and the need for RRT was incremental with AKI stage. Conclusions: In this study, TMDRD was feasible as a RCE, resulting in optimal post-traumatic AKI diagnosis and prognosis.

Nephrology
Impact of intradialytic hypotension on mortality following the transition from continuous renal replacement therapy to intermittent hemodialysis: Seong Geun Kim, Donghwan Yun, Jinwoo Lee, Yong Chul Kim, Dong Ki Kim, Kook-Hwan Oh, Kwon Wook Joo, Yon Su Kim, Seung Seok Han; Acute Crit Care. 2023;38(1):86-94. Published online October 26, 2022; DOI: https://doi.org/10.4266/acc.2022.00948

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Abstract PDF: Background
The transition of dialysis modalities from continuous renal replacement therapy (CRRT) to intermittent hemodialysis (iHD) is frequently conducted during the recovery phase of critically ill patients with acute kidney injury. Herein, we addressed the occurrence of intradialytic hypotension (IDH) after this transition, and its association with the mortality risk. Methods: A total of 541 patients with acute kidney injury who attempted to transition from CRRT to iHD at Seoul National University Hospital, Korea from 2010 to 2020 were retrospectively collected. IDH was defined as a discontinuation of dialysis because of hemodynamic instability plus a nadir systolic blood pressure <90 mm Hg or a decrease in systolic blood pressure ≥30 mm Hg during the first session of iHD. Odds ratios (ORs) of outcomes, such as in-hospital mortality and weaning from RRT, were measured using a logistic regression model after adjusting for multiple variables. Results: IDH occurred in 197 patients (36%), and their mortality rate (44%) was higher than that of those without IDH (19%; OR, 2.64; 95% confidence interval [CI], 1.70–4.08). For patients exhibiting IDH, the iHD sessions delayed successful weaning from RRT (OR, 0.62; 95% CI, 0.43–0.90) compared with sessions on those without IDH. Factors such as low blood pressure, high pulse rate, low urine output, use of mechanical ventilations and vasopressors, and hypoalbuminemia were associated with IDH risk. Conclusions: IDH occurrence following the transition from CRRT to iHD is associated with high mortality and delayed weaning from RRT.

Nephrology
Clinical efficacy of blood purification using a polymethylmethacrylate hemofilter for the treatment of severe acute pancreatitis: Kiyohiko Kinjoh, Ryoji Nagamura, Yutaka Sakuda, Shoki Yamauchi, Hideta Takushi, Tadashi Iraha, Koji Idomari; Acute Crit Care. 2022;37(3):398-406. Published online July 5, 2022; DOI: https://doi.org/10.4266/acc.2022.00192

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Abstract PDF: Background
Severe acute pancreatitis (SAP) is a systemic inflammatory disease, and it can often complicate into acute kidney injury (AKI) and acute lung injury/acute respiratory distress syndrome (ALI/ARDS). This study aimed to evaluate the clinical effectiveness of blood purification using a polymethylmethacrylate (PMMA) hemofilter.
Methods
We retrospectively examined 54 patients, who were diagnosed with SAP according to the Japanese criteria from January 2011 to December 2019.
Results
Of a total of 54 SAP patients, 26 patients progressively developed AKI and required continuous hemodialysis with a PMMA membrane hemofilter (PMMA-CHD). Acute Physiology and Chronic Health Evaluation (APACHE) II score and Sequential Organ Failure Assessment (SOFA) score were significantly higher in patients requiring PMMA-CHD than in patients not requiring hemodialysis. The lung injury scores were also significantly higher in patients requiring PMMA-CHD. Of the 26 patients, 16 patients developed ALI/ARDS and required mechanical ventilation. A total of seven patients developed severe ALI/ARDS and received additional intermittent hemodiafiltration using a PMMA hemofilter (PMMA-HDF). Although the length of intensive care unit stay was significantly longer in patients with severe ALI/ARDS, blood purification therapy was discontinued in all the patients. The survival rates at the time of discharge were 92.3% and 92.9% in patients with and without PMMA-CHD, respectively. These real mortality ratios were obviously lower than the estimated mortality ratios predicted by APACHE II scores.
Conclusions
These finding suggest that the blood purification using a PMMA hemofilter would be effective for the treatment of AKI and ALI/ARDS in SAP patients.

Nephrology
COVID-19–induced acute kidney injury in critically ill patients: epidemiology, risk factors, and outcome: Ahlem Trifi, Sami Abdellatif, Yosri Masseoudi, Asma Mehdi, Oussama Benjima, Eya Seghir, Fatma Cherif, Yosr Touil, Bedis Jeribi, Foued Daly, Cyrine Abdennebi, Adel Ammous, Salah Ben Lakhal; Acute Crit Care. 2021;36(4):308-316. Published online November 22, 2021; DOI: https://doi.org/10.4266/acc.2021.00934

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3 Citations

Abstract PDF

Background
The kidney represents a potential target for severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Acute kidney injury (AKI) can occur through several mechanisms and includes intrinsic tissue injury by direct viral invasion. Clinical data about the clinical course of AKI are lacking. We aimed to investigate the proportion, risk factors, and prognosis of AKI in critical patients affected with coronavirus disease 2019 (COVID-19).
Methods
A case/control study conducted in two intensive care units of a tertiary teaching hospital from September to December 2020.
Results
Among 109 patients, 75 were male (69%), and the median age was 64 years (interquartile range [IQR], 57–71 years); 48 (44%) developed AKI within 4 days (IQR, 1–9). Of these 48 patients, 11 (23%), 9 (19%), and 28 (58%) were classified as stage 1, 2, and 3, respectively. Eight patients received renal replacement therapy. AKI patients were older and had more frequent sepsis, acute respiratory distress syndrome, and rhabdomyolysis; higher initial urea and creatinine; more marked inflammatory syndrome and hematological disorders; and required more frequent mechanical ventilation and vasopressors. An elevated level of D-dimers (odds ratio [OR], 12.83; 95% confidence interval [CI], 1.9–85) was an independent factor of AKI. Sepsis was near to significance (OR, 5.22; 95% CI, 0.94–28; P=0.058). Renal recovery was identified in three patients. AKI, hypoxemia with the ratio of the arterial partial pressure of oxygen and the inspiratory concentration of oxygen <70, and vasopressors were identified as mortality factors.
Conclusions
AKI occurred in almost half the patients with critical COVID-19. A high level of D-dimers and sepsis contributed significantly to its development. AKI significantly worsened the prognosis in these patients.

Citations

Citations to this article as recorded by

Impact of COVID-19 in patients hospitalized with stress cardiomyopathy: A nationwide analysis
Adrija Hajra, Aaqib Malik, Dhrubajyoti Bandyopadhyay, Akshay Goel, Ameesh Isath, Rahul Gupta, Suraj Krishnan, Devesh Rai, Chayakrit Krittanawong, Salim S. Virani, Gregg C. Fonarow, Carl J. Lavie
Progress in Cardiovascular Diseases.2023; 76: 25. CrossRef
Predictive Values of Procalcitonin and Presepsin for Acute Kidney Injury and 30-Day Hospital Mortality in Patients with COVID-19
Sin-Young Kim, Dae-Young Hong, Jong-Won Kim, Sang-O Park, Kyeong-Ryong Lee, Kwang-Je Baek
Medicina.2022; 58(6): 727. CrossRef
HYDROCORTISONE, ASCORBIC ACID, AND THIAMINE THERAPY DECREASE RENAL OXIDATIVE STRESS AND ACUTE KIDNEY INJURY IN MURINE SEPSIS
John Kim, Allan Stolarski, Qiuyang Zhang, Katherine Wee, Daniel Remick
Shock.2022; 58(5): 426. CrossRef

Thoracic Surgery
Perfusion parameters during cardiopulmonary bypass as a predictor of acute kidney injury after aortic valve replacement: Yeiwon Lee, Sue Hyun Kim, Ho Young Hwang, Suk Ho Sohn, Jae Woong Choi, Kyung Hwan Kim; Acute Crit Care. 2021;36(3):242-248. Published online August 12, 2021; DOI: https://doi.org/10.4266/acc.2021.00094

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Abstract PDF: Background
Acute kidney injury (AKI) is a major complication after cardiac surgery and significantly affects postoperative mortality and morbidity. This study was conducted to evaluate the association between target pump flow to achieve adequate oxygen delivery (DO₂) and postoperative renal function after aortic valve replacement.
Methods
From January 2017 to May 2020, 281 patients (male:female, 160:121; mean age, 68±11 years) who underwent aortic valve replacement were retrospectively reviewed. Target pump flow was calculated based on DO₂ level of 280 mL/min/m². The primary endpoint was postoperative renal dysfunction, defined as the ratio of postoperative peak creatinine level to preoperative value. The ratio of the lowest actual pump flow to the ideal target pump flow, other hemodynamic variables related with cardiopulmonary bypass, intraoperative transfusion, and preoperative characteristics were analyzed to identify factors associated with the primary endpoint using a multivariable linear regression model.
Results
Preoperative and peak postoperative creatinine levels were 0.94±0.33 mg/dl and 1.15±0.56 mg/dl, respectively (ratio, 1.22±0.33). The ideal target pump flow was 4.70±0.59 L/min, whereas the lowest actual pump flow was 3.77±0.47 L/min (ratio, 0.81±0.13). The multivariable model showed that the ratio of the lowest pump flow to target pump flow (β±standard error, –0.405±0.162, P=0.013), as well as sex, stroke history, emergency operation, and transfusion of red blood cells were associated with the primary endpoint.
Conclusions
Low actual nadir pump flow compared to the ideal target pump flow based on DO₂ is associated with the risk of AKI after aortic valve replacement.

Nephrology
The Association of Preoperative Body Mass Index with Acute Kidney Injury in Liver Transplantation Recipients: A Retrospective Study: Ju Yeon Park, Jung-Hyun Park, Su Sung Lee, Hyun-Su Ri, Hye-jin Kim, Yun Mi Choi, Yoon Ji Choi, Ji-Uk Yoon; Korean J Crit Care Med. 2017;32(3):265-274. Published online August 31, 2017; DOI: https://doi.org/10.4266/kjccm.2017.00178

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Abstract PDF

Background
Liver transplantation (LT) is a complicated procedure with a high incidence of postoperative acute kidney injury (AKI). Previous studies indicate that even transient or mild post-LT AKI can result in critical conditions, including prolonged stays in hospitals and intensive care units and increased morbidity and mortality. The aim of this study was to investigate the association between body mass index (BMI) and occurrence of AKI in LT recipients. Methods: Medical data from 203 patients who received LT surgery from January 2010 to August 2016 in a single university hospital setting were retrospectively collected and analyzed. Patients were classified as either underweight (BMI <20 kg/m²) or normal weight (20 ≤ BMI < 30 kg/m²). Demographic data, anesthetic methods, complications, and perioperative laboratory test values of each patient were assessed. Propensity analyses and logistic regression were performed to evaluate the association between BMI and post-LT AKI. Results: There was no significant difference in occurrence of post-LT AKI between underweight and normal weight patients. The underweight patient group had significantly longer hospital stay compared with the normal weight patient group (P = 0.023). Conclusions: BMI classification was neither a positive nor negative predictor of postoperative AKI occurrence. However, patients with lower BMI had significantly longer hospital stay compared with their counterparts. Although our study was limited by its retrospective design, our observations suggest that lower BMI might play a role in post-LT AKI.

Citations

Citations to this article as recorded by

Association of Body Mass Index and Acute Kidney Injury Incidence and Outcome: A Systematic Review and Meta-Analysis
Jiarong Lan, Guangxing Xu, Yongfu Zhu, Congze Lin, Ziyou Yan, Sisi Shao
Journal of Renal Nutrition.2023; 33(3): 397. CrossRef
Association of overweight with postoperative acute kidney injury among patients receiving orthotopic liver transplantation: an observational cohort study
Jian Zhou, Lin Lyu, Lin Zhu, Yongxin Liang, He Dong, Haichen Chu
BMC Nephrology.2020;[Epub] CrossRef

Case Reports

Neurology
Clozapine Induced Neuroleptic Malignant Syndrome: Yong Suk Jo, Hyung Ah Jo, Byung Chul Yu, Jung Hoon Shin, Kook-Hwan Oh; Korean J Crit Care Med. 2017;32(3):291-294. Published online December 29, 2016; DOI: https://doi.org/10.4266/kjccm.2016.00052

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Abstract PDF: Neuroleptic malignant syndrome is a rare, but potentially life-threatening adverse event associated with the use of neuroleptic agents. We describe the case of a 47-year-old schizophrenic woman who was treated with clozapine for years. The patient developed acute renal failure with pulmonary edema, and underwent mechanical ventilation and hemodialysis.

Neurology/Obstetric
A Critical Case of Wernicke's Encephalopathy Induced by Hyperemesis Gravidarum: Byung Ju Kang, Min Gu Kim, Jwa Hoon Kim, Mingee Lee, Sang-Beom Jeon, Ha Il Kim, Jin Won Huh; Korean J Crit Care Med. 2015;30(2):128-131. Published online May 31, 2015; DOI: https://doi.org/10.4266/kjccm.2015.30.2.128

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1 Citations

Abstract PDF

Wernicke’s encephalopathy is a reversible but potentially critical disease caused by thiamine deficiency. Most patients complain of symptoms such as ophthalmoplegia, ataxia and confusion. Heavy alcohol drinking is commonly associated with the disease, but other clinical conditions also can provoke it. In pregnant women, hyperemesis gravidarum can lead to the depletion of body thiamine due to poor oral intake and a high metabolic demand. We report a case of Wernicke’s encephalopathy following hyperemesis gravidarum in a 36-year-old female at 20 weeks of pregnancy, who visited our hospital because of shock with vaginal bleeding. This case suggests that although the initial presentation may include atypical symptoms (e.g., shock or bleeding), Wernicke’s encephalopathy should be considered, and thiamine replacement should be performed in pregnant women with neurologic symptoms and poor oral intake.

Citations

Citations to this article as recorded by

Wernicke’s encephalopathy in hyperemesis gravidarum: A systematic review
Erik Oudman, Jan W. Wijnia, Misha Oey, Mirjam van Dam, Rebecca C. Painter, Albert Postma
European Journal of Obstetrics & Gynecology and Reproductive Biology.2019; 236: 84. CrossRef

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