Purpose Inguinal hernia repair is a common general surgery procedure with low morbidity. However, postoperative urinary retention (PUR) occurs in up to 22% of patients, resulting in further extraneous treatments. This single institution series investigates whether patient comorbidities, surgical approaches, and anesthesia methods are associated with developing PUR after inguinal hernia repairs. Methods This is a single institution retrospective review of inguinal hernia from 2012 to 2015. PUR was defined as patients without a postoperative urinary catheter who subsequently required bladder decompression due to an inability to void. Univariate and multivariate logistic regressions were performed to quantify the associations between patient, surgical, and anesthetic factors with PUR. Stratification analysis was conducted at age of 50 years. Results 445 patients were included (42.9% laparoscopic and 57.1% open). Overall rate of PUR was 11.2% (12% laparoscopic, 10.6% open, and p = 0.64). In univariate analysis, PUR was significantly associated with patient age >50 and history of benign prostatic hyperplasia (BPH).Risk stratification for age >50 revealed in this cohort a 2.49 times increased PUR risk with lack of intraoperative bladder decompression (p = 0.013). Conclusions At our institution, we found that patient age, history of BPH, and bilateral repair were associated with PUR after inguinal hernia repair. No association was found with PUR and laparoscopic vs open approach. Older males may be at higher risk without intraoperative bladder decompression, and therefore, catheter placement should be considered in this population, regardless of surgical approach.
Stretch-sensitive Ia afferent monosynaptic connections with motoneurons form the stretch reflex circuit. After nerve transection, Ia afferent synapses and stretch reflexes are permanently lost, even after regeneration and reinnervation of muscle by motor and sensory afferents is completed in the periphery. This loss greatly affects full recovery of motor function. However, after nerve crush, reflex muscle forces during stretch do recover after muscle reinnervation and reportedly exceed 140% baseline values. This difference might be explained by structural preservation after crush of Ia afferent synapses on regenerating motoneurons and decreased presynaptic inhibitory control. We tested these possibilities in rats after crushing the tibial nerve (TN), and using Vesicular GLUtamate Transporter 1 (VGLUT1) and the 65 kDa isoform of glutamic acid-decarboxylase (GAD65) as markers of, respectively, Ia afferent synapses and presynaptic inhibition (P-boutons) on retrogradely labeled motoneurons. We analyzed motoneurons during regeneration (21 days post crush) and after they reinnervate muscle (3 months). The results demonstrate a significant loss of VGLUT1 terminals on dendrites and cell bodies at both 21 days and 3 months post-crush. However, in both cellular compartments, the reductions were small compared to those observed after TN full transection. In addition, we found a significant decrease in the number of GAD65 P-boutons per VGLUT1 terminal and their coverage of VGLUT1 boutons. The results support the hypothesis that better preservation of Ia afferent synapses and a change in presynaptic inhibition could contribute to maintain or even increase the stretch reflex after nerve crush and by difference to nerve transection.
Unilateral and bilateral TEP added operative time to RALP but had equivalent outcomes to both LRP+TEP and RALP alone. This is likely due to the similar surgical space used for RALP and TEP, which obviates the need for substantial further dissection. For men with prostate cancer and comorbid IH, combined RALP+TEP appears to be an appropriate surgical combination.
Background: Although inguinal hernias are common surgical diagnoses, minimally symptomatic patients are often not scheduled for repairs and are asked to seek medical attention if they develop symptoms. We investigated factors associated with emergency department (ED) utilization for inguinal hernia repairs and determined whether ED utilization affected mortality for this otherwise electively treated condition. Methods: We performed a retrospective analysis of the 2009–2013 Nationwide Inpatient Sample to identify patients who presented through the ED and were then admitted for unilateral inguinal hernia repairs. Multivariable logistic regressions that adjusted for several patient and hospital characteristics determined predictors of both ED admission and postoperative mortality. Results: There were 116,357 inpatient hospitalizations. The majority (57%) resulted from ED admissions, of which most (85%) had a diagnosis of obstruction or gangrene. Notable predictors of ED admission from the multivariable analysis included obstruction (odds ratio, 9.77 [95% confidence interval: 9.05–10.55]), gangrene (18.24 [13.00–25.59]), Black race (1.47 [1.29–1.69]), Hispanic ethnicity (1.35 [1.18–1.54]), self-pay (2.29 [1.97–2.66]) and Medicaid insurance (1.76 [1.50–2.06]). While overall mortality decreased from 2.03% in 2009 to 1.36% in 2013, admission through the ED was independently associated with higher mortality compared with elective repair (1.67 [1.21–2.29]), even after adjusting for the diagnosis of obstruction and gangrene. Other predictors of mortality included patient age and comorbidities. Conclusions: In our study, Black, Hispanic, and self-pay patients were more likely to present through the ED. After adjusting for obstruction or gangrene, simply presenting through the ED was independently associated with a 67% higher postoperative mortality rate compared with that of an elective operation. Our findings suggest both a difference in ED utilization and subsequent difference in mortality by patient race and ethnicity and insurance for this common surgical condition.
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