Characteristics and Outcome of Obstetric Acute Kidney Injury in Pakistan: A Single-center Prospective Observational Study

Introduction Acute kidney injury (AKI) continues to be a cause of increased morbidity and mortality in pregnant women. While studies have been conducted on the incidence and etiology of this complication, the outcomes of obstetric AKI have not been extensively investigated. The primary focus of this...

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Published in:	Curēus (Palo Alto, CA) Vol. 10; no. 9; p. e3362
Main Authors:	Bokhari, Syed Rizwan A, Inayat, Faisal, Jabeen, Mah, Sardar, Zumar, Saeed, Sara, Malik, Ayesha M, Nasir, Sabin, Zareen, Amtul, Ahmad, Hafiz Ijaz
Format:	Journal Article
Language:	English
Published:	United States Cureus Inc 26-09-2018 Cureus
Subjects:	Age Developing countries Fetuses Gangrene Gynecology Hemodialysis Hemorrhage Hospitals Hypertension Kidneys LDCs Maternal mortality Midwifery Nephrology Observational studies Obstetrics Obstetrics/Gynecology Preeclampsia Pregnancy Prenatal care Public Health Recovery (Medical) Sepsis Urine Womens health Lahore Pakistan Pakistan mortality recovery developing countries sepsis obstetric acute kidney injury
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Summary:	Introduction Acute kidney injury (AKI) continues to be a cause of increased morbidity and mortality in pregnant women. While studies have been conducted on the incidence and etiology of this complication, the outcomes of obstetric AKI have not been extensively investigated. The primary focus of this prospective observational study was to analyze the risk factors, etiologies as well as maternal and fetal outcomes of AKI in pregnant females in Pakistan. Methods A total of 56 patients with obstetric AKI were recruited. Patients were followed for a period of three months postpartum. The diagnosis and staging of AKI were based on the classification of the Acute Kidney Injury Network (AKIN). Results Fifteen patients were lost to follow-up and were excluded from the study. The mean age of the remaining 41 patients was 26±6 years. Twenty-two (54%) patients were multigravida, and 19 (46%) were primigravida. Twenty (48%) patients did not receive any antenatal care, 13 (31%) were visited by a traditional birth attendant, and only eight (19%) had adequate antenatal care by a gynecologist. Out of 41 patients, seven (17%) presented before 28 weeks, and 34 (83%) patients presented after 28 weeks of gestation. Four (10%) patients were found to be in stage I, four (10%) in stage II, and 33 (80%) patients in stage III AKI during hospitalization. The causes of AKI included sepsis in 32 (78%), intrauterine death in 24 (60%), postpartum hemorrhage in 17 (41%), shock in 15 (36%), pre-eclampsia/eclampsia in seven (17%), and coagulopathy in three (7%) patients. Twenty-eight (68.3%) patients received hemodialysis during the hospital stay. Three-month follow-up showed complete resolution of AKI in 14 (34.2%) patients, partial resolution in seven (17%), end-stage renal disease in 10 (24.4%), and death in 10 (24.4%) patients. Conclusion The present study indicates that a vast majority of patients with obstetric AKI require dialysis. Residual renal dysfunction and end-stage renal disease were common at the three-month follow-up. Incidentally, sepsis and intrauterine death were the leading causes in this study population. Increased awareness and appropriate obstetrical care may have a significantly positive impact on decreasing the morbidity and mortality in these patients.
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ISSN:	2168-8184 2168-8184
DOI:	10.7759/cureus.3362