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Optimized perioperative fluid management, may help mitigate risk of Postoperative urinary retention: Study

Written By : Dr. Shravani Dali |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2025-05-06T21:15:39+05:30  |  Updated On 7 May 2025 12:24 PM IST
Optimized perioperative fluid management, may help mitigate risk of Postoperative urinary retention: Study
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Optimized perioperative fluid management, may help mitigate the risk of Postoperative urinary retention (POUR) suggests a new study published in the BMC Surgery.

Postoperative urinary retention (POUR) was reported as a common complication in patients undergoing primary total knee arthroplasty (pTKA), but descriptions of its prevalence and negative outcomes vary widely and remain inadequately studied. A

retrospective cohort study was conducted using the National Inpatient Sample database from 2005 to 2014. The annual incidence, baseline characteristics, and inpatient outcomes of Postoperative urinary retention after pTKA were recorded. Logistic regression analysis was performed to estimate potential predictors of POUR. Statistical significance was defined as P < 0.01. Results: A total of 1,228,621 patients undergoing pTKA were identified.

The incidence of Postoperative urinary retention after pTKA is increasing annually from 2005 (1.51%, 95%CI 1.44-1.59%) to 2014 (2.29%, 95%CI 2.21-2.37%), and the cumulative incidence of Postoperative urinary retention was 1.91% (95%CI 1.89-1.93%). POUR was significantly associated with higher Charlson Comorbidity Index and Elixhauser Comorbidity Index scores, and higher medical costs. In patients experiencing pTKA, the Top 5 most significant risk factors for developing Postoperative urinary retention were male gender (odds ratio [OR] = 3.40; 95% confidence interval [CI] 3.30–3.51; P < 0.0001), fluid and electrolyte disorders (OR = 2.02; 95% CI 1.94–2.10; P < 0.0001), age over 60 (OR = 1.97; 95% CI 1.89–2.05; P < 0.0001), paralysis (OR = 1.78; 95% CI 1.46–2.17; P < 0.0001), and psychoses (OR = 1.57; 95% CI 1.43–1.72; P < 0.0001).

Although POUR did not result in higher inpatient mortality (0.1% vs. 0.07%, P = 0.1242), it may be associated with the occurrence of other complications such as acute myocardial infarction (0.42% vs. 0.20%, P < 0.0001), pulmonary embolism and infarction (0.80% vs. 0.42%, P < 0.0001), acute renal failure (6.06% vs. 1.49%, P < 0.0001), deep venous thrombosis (0.71% vs. 0.45%, P < 0.0001), acute posthemorrhagic anemia (28.89% vs. 19.45%, P < 0.0001), and infection (0.29% vs. 0.15%, P < 0.0001). Although Postoperative urinary retention has no effect on inpatient mortality, our large-scale national study provides new insights that it increases postoperative complications and impairs clinical outcomes. Given the increasing incidence of Postoperative urinary retention, early identification of high-risk patients, particularly those with identified comorbidities, should be prioritized.

Preventive strategies, such as optimized perioperative fluid management, may help mitigate the risk of Postoperative urinary retention. Future research should focus on developing preventive strategies to mitigate its impact.

Reference:

Li, J., Li, Q., Zhang, J. et al. Incidence, outcomes and risk factors of postoperative urinary retention in patients undergoing primary total knee arthroplasty: a national inpatient sample database study. BMC Surg 25, 186 (2025). https://doi.org/10.1186/s12893-025-02930-9

ComorbiditiesNational inpatient sampleOutcomesPostoperative complicationsPostoperative urinary retentionTotal knee arthroplastyBMC Surgery
Source : BMC Surgery
Dr. Shravani Dali
Dr. Shravani Dali

    Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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