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Background Cochlear implants (CIs) have made it possible to significantly improve hearing in people with profound hearing loss. Although, cochlear implants are considered a safe procedure, this minimally invasive surgery has an overall complication rate of 12.5%. With Gusher (cerebrospinal fluid outflow) considered a common intraoperative complication of cochlear implants. Methods In this retrospective study, clinical files of patients with severe to profound sensorineural hearing loss who had undergone cochlear implantation were retrospectively reviewed. We calculated the incidence and risk factors of gusher and management options used . Statistical analysis included non-parametric tests and multivariate ordinal logistic regression to explore predictors of CSF leak intensity. Results 1050 patients with profound hearing loss who underwent CI, 21 of whom had an intraoperative cerebrospinal fluid (CSF) leak, i.e. 2%, with a mean age of 3.5 years, and a sex ratio of 0.62, i.e. 62% female and 38% male. 43% of patients with gusher had structural abnormalities on their CT scan. Dilatation of the vestibule and vestibular aqueduct, as well as Mondini dysplasia, were the most common anomalies in Gusher patients. Younger implantation age was the only factor associated with higher CSF leak intensity in univariate analysis, but no independent predictors were identified in multivariate analysis. Conclusions Advancements in surgical techniques, radiological assessments, and technological innovation have significantly reduced cochlear implant–related complications, leading to a decreased risk of cerebrospinal fluid leakage incidents.

Perioperative hypothermia is a frequent clinical complication resulting from the cold environment of the operating room and prolonged skin exposure, leading to adverse outcomes and increased healthcare burdens. To address this issue, this narrative review discusses in detail the currently common warming strategies for perioperative hypothermia .Forced air warming (FAW) systems are widely recognized as the most effective intervention for maintaining core body temperature. Additionally, alternative technologies, such as circulating-water mattresses, carbon-fiber resistive heating systems, self-regulated heated air garments, self-heating blankets, and chemical heat packs, offer diverse advantages and disadvantages. Passive warming methods, including thermal reflective blankets and cotton blankets, provide a cost-effective solution, albeit with reduced efficacy compared to active warming measures. Recent advancements have focused on improving both active and passive warming approaches to balance effectiveness and cost-efficiency. While FAW remains the gold standard, other systems offer specific benefits, such as improved portability and reduced costs, making them suitable for use in diverse clinical scenarios. Effective perioperative temperature management reduces hypothermia-related complications, decreases healthcare expenditures, and provides substantial social and organizational benefits. Thus, selecting the most appropriate warming intervention in clinical practice requires a tailored approach, considering both patient-specific needs and resource availability.

Objectives: This retrospective study compared the outcomes of three surgical methods: traditional technique, internal obturator muscle flap, and sacroischial sling (TT, IOMF, and SS) for the treatment of canine perineal hernias. Postoperative complications associated with each technique were also compared. Methods: 87 dogs (86 males, 1 female) with perineal hernia were included in this study. Dogs were grouped based on the surgical technique used: TT (30 sites in 24 dogs), IOMF (30 sites in 26 dogs), and SS (53 sites in 37 dogs). Results: Surgical times were 36.8 ± 9.7 min for TT, 50.2 ± 13.6 min for IOMF, and 31.9 ± 11.53 min for SS. Both TT and SS were significantly faster than IOMF (p < 0.01). A comparative analysis of surgical outcomes revealed differing success and failure rates. The success rate of the IOMF group was higher (99.3%) compared to the TT group (80%); however, this difference was not statistically significant (p = 0.254). In contrast, the SS group demonstrated a statistically significantly greater success rate (98.1%) than the TT group (p = 0.008), indicating that it may be a more successful approach for perineal hernia correction in dogs. The TT group had the highest rate of temporary stranguria (20.8%) and required colopexy and cystopexy most frequently (16.7%). The SS group had the lowest rate of urinary incontinence (2.7%) and external anal sphincter muscle paresis (2.7%). However, this group exhibited the highest incidence of temporary dyschezia (8.1%) and a slightly elevated incidence of skin dehiscence. Wound complications were similar across all groups. The IOMF group had a higher incidence of external anal sphincter muscle paresis (26.9%) compared to both TT and SS. The complication rate of the SS group (7.0%, 13/185 events) was significantly lower than both TT (18.3%, 22/120; p < 0.01) and IOMF (18.5%, 24/130; p < 0.01) groups and required fewer additional procedures, indicating fewer overall complications. Conclusion: Overall, the SS technique is a practical, low-complication alternative for perineal hernia correction, offering results comparable to those of IOMF and superior to those of TT.

Purpose We aim to evaluate the impact of surgical wound complications in the first 30 postoperative days after incisional hernia repair on the long-term quality of life of patients. In addition, the impact of the surgical technique and preoperative comorbidities on the quality of life of patients will also be evaluated. Method Prospective cohort study, which evaluates 115 patients who underwent incisional hernioplasty between 2019 and 2020, using the onlay and retromuscular techniques. These patients were initially assessed with regard to surgical wound outcomes in the first 30 postoperative days (surgical site infection (SSI) or surgical site occurrence (SSO)), and then, assessed after three years, through a specific quality of life questionnaire, the Hernia Related Quality of Life Survey (HerQLes). Results After some patients were lost to follow-up during the study period, due to death, difficulty in contact, refusal to respond to the questionnaire, eighty patients were evaluated. Of these, 11 patients (13.8%) had SSI in the first 30 postoperative days and 37 (46.3%) had some type of SSO. The impact of both SSI and SSO on quality of life indices was not identified. When analyzing others variables, we observed that the Body Mass Index (BMI) had a significant impact on the patients’ quality of life. Likewise, hernia size and mesh size were identified as variables related to a worse quality of life outcome. No difference was observed regarding the surgical techniques used. Conclusion In the present study, no relationship was identified between surgical wound outcomes (SSO and SSI) and worse quality of life results using the HerQLes score. We observed that both BMI and the size of meshes and hernias showed an inversely proportional relationship with quality of life indices. However, more studies evaluating preoperative quality of life indices and comparing them with postoperative indices should be carried out to evaluate these correlations.

Increased surgical technology has led broad acceptance endoscopic thyroidectomy and its application in the treatment of thyroid diseases, including thyroid carcinoma. Although the incidence of complications and mortality of thyroid surgery has been significantly reduced, serious complications still occur from time to time. The purpose of this retrospective study is to identify the factors that influence the complications of endoscopic thyroidectomy. This study was carried out between January 2012 and December 2019, where a total of 630 patients undergoing endoscopic thyroidectomy via the total areola approach were retrospectively evaluated to identify the key influencing factors of complications. The study established that the common complications included recurrent laryngeal nerve injury (3.33%), superior laryngeal nerve injury (2.54%), hypocalcemia (8.57%), and the incidence of complications was acceptable. Both univariate and multivariate analysis showed that thyroid carcinoma (P = 0.041), operation time lasting more than 150 minutes (P = 0.034) and operation before 2017 (P = 0.001) were risk factors of recurrent laryngeal nerve injury. We established that operation after 2017 (P < 0.005) was the only protective factor of superior laryngeal nerve injury. Thyroid carcinoma (P=0.04), operation mode (P=0.001), and surgery before 2017 (P<0.001) are risk factors for parathyroid injury. Among the clinical groups, operation before 2017 was an independent risk factor for all complications. For thyroid specialists, after the early learning curve, with the continuous improvement of endoscopic operation technology, high-definition equipment and more sophisticated operation equipment can be used in clinical practice, which can prevent and reduce the occurrence of complications.

The purpose of this study was to compare an oblique bikini-incision via direct anterior approach (BI-DAA) to a conventional posterolateral approach (PLA) during simultaneous bilateral total hip arthroplasty (simBTHA) in terms of early patient outcomes, postoperative functional recovery, and complications. From January 2017 to January 2020, 106 patients receiving simBTHA were enrolled and randomly allocated to the BI-DAA or PLA group. Primary outcomes were measured using hemoglobin (HGB) drop, transfusion rate, the length of stay (LOS), the visual analog scale (VAS) for pain, the Harris hip score, Western Ontario and McMaster Universities Osteoarthritis Index, and the scar cosmesis assessment and rating scale. Secondary outcomes were the operative time, radiographic measurements, including femoral offset, femoral anteversion, stem varus/valgus angle, and leg length discrepancy (LLD). The occurrence of postoperative complications was also recorded. There were no differences in demographic or clinical characteristics before surgery. Compared to the PLA, the patients in the BI-DAA group had lower HGB drop (24.7 ± 13.3 g/L vs. 34.7 ± 16.7, P  < .01) and transfusion rates (9/50 vs. 18/50, P  = .04) and a shorter LOS (5.12 ± 1.5 vs. 6.40 ± 2.0 days, P  < .01) without increasing the operative time (169.7 ± 17.3 vs. 167.5 ± 21.8 min, P  = .58). The BI-DAA group yielded a smaller LLD (2.1 ± 2.3 vs. 3.8 ± 3.0 mm, P  < .01) and less variability in component orientation than the PLA group (100% vs. 93%, P  = .01). As for the scar, the BI-DAA group produced a shorter incision length (9.7 ± 1.6 vs. 10.8 ± 2.0 mm, P  < .01) and higher postoperative recovery satisfaction than the PLA group. Furthermore, the BI-DAA group had a reduced VAS score one week after surgery and had better functional recovery in three months postoperatively. The BI-DAA group had a higher incidence of LFCN dysesthesia (12/100 vs. 0/100 thighs, P  < .01), while other complications did not differ significantly between the two groups. For simBTHA, the bikini incision offers early recovery, less variance in components orientation, better postoperative outcomes, and scar healing than the PLA. Therefore, the bikini incision could be a safe and feasible option for simBTHA recipients.

We have been using our in-house scoring system of hyphemas, i.e., Shimane University RLC postoperative hyphema scoring system (SU-RLC), which we designed to classify postoperative hyphema. SU-RLC classifies the severities of hyphemas based on three factors, i.e., red blood cells (RBCs) (R) 0–3, layer formation (L) 0–3, and clot (C) 0–1, by slit-lamp observation. To test the clinical usefulness of the SU-RLC for quantifying the postoperative hyphema severity, the SU-RLC scores were compared between eyes that underwent different minimally invasive glaucoma surgery (MIGS) procedures, i.e., Tanito microhook ab interno trabeculotomy and cataract extraction (TMH-CE) (n = 64 eyes of 64 subjects; mean age ± standard deviation, 72.4 ± 8.1 years) and iStent-CE (n = 21 eyes of 21 subjects; 76.1 ± 10.6 years). Compared to the iStent-CE, higher hyphema scores with the TMH-CE were found for the R scores on postoperative days 1, 2, and 3; for the L score on postoperative day 1; and for the C score on postoperative day 2. The sums of the R, L, and C scores (RLC) on postoperative day 1 were 3.2 ± 1.1 with the TMH-CE and 1.1 ± 1.3 with the iStent-CE; the scores reached almost 0 by 2 weeks in both groups. Significant differences in the RLC scores between the surgical groups were found on postoperative days 1, 2, and 3. Multivariate analyses showed that the TMH-CE rather than iStent-CE was associated with higher R, C, and RLC scores; anticoagulant/antiplatelet use was associated with higher R score; and myopia was associated with a higher C score. In the TMH-CE group, myopia was associated with a higher C score. In the iStent-CE group, anticoagulant/antiplatelet use was associated with higher R and RLC scores; and higher postoperative 1-day intraocular pressure was associated with a higher C score. The SU-RLC successfully detected the difference in hyphema severity between different MIGS procedures; thus, we concluded that our classification system may be feasible to evaluate hyphemas after glaucoma surgery.

Background Surgical site infections (SSI) in the groin after vascular surgery are common. The aim of the study was to evaluate the effect of negative pressure wound therapy (NPWT) on SSI incidence when applied on closed inguinal incisions after endovascular aneurysm repair (EVAR). Methods A multicenter randomized controlled trial (RCT). Between November 2013 and December 2020, 377 incisions (336 bilateral and 41 unilateral) from elective EVAR procedures with the primary intent of fascia closure were randomized and included, receiving either NPWT or a standard dressing. In bilateral incisions, each incision randomly received the opposite dressing of the other side, thereby becoming each other’s control. The primary endpoint was SSI incidence at 90 days postoperatively, analyzed on an intention-to-treat basis. Uni and bilaterally operated incisions were analyzed separately, and their respective p-values combined using Fisher’s method for combining P -values. Study protocol (NCT01913132). Results The SSI incidence at 90 days postoperatively in bilateral incisions was 1.8% (n = 3/168) in the NPWT and 4.8% (n = 8/168) in the standard dressing group, and in unilateral incisions 13.3% (n = 2/15) and 11.5% (n = 3/26), respectively (combined p  = 0.49). In all SSIs, bacteria were isolated from incisional wound cultures. No additional SSIs were diagnosed between 90 days and 1 year follow-up. Conclusions No evidence of difference in SSI incidence was seen in these low-risk inguinal incisions when comparing NPWT with standard dressings after EVAR with the primary intent of fascia closure. Clinical Trials: NCT01913132.

Ischemia-induced adhesion is very common after surgery, and leads to severe abdominal adhesions. Unfortunately, many existing barrier agents used for adhesion prevention have only limited success. The objective of this study is to evaluate the efficacy of biodegradable and thermosensitive poly(ε-caprolactone)-poly(ethylene glycol)-poly(ε-caprolactone) (PCL-PEG-PCL) micelles for the prevention of postoperative ischemia-induced adhesion. We found that the synthesized PCL-PEG-PCL copolymer could self-assemble in an aqueous solution to form micelles with a mean size of 40.1 ± 2.7 nm at 10°C, and the self-assembled micelles could instantly turn into a nonflowing gel at body temperature. In vitro cytotoxicity tests suggested that the copolymer showed little toxicity on NIH-3T3 cells even at amounts up to 1,000 μg/mL. In the in vivo test, the postsurgical ischemic-induced peritoneal adhesion model was established and then treated with the biodegradable and thermosensitive micelles. In the control group (n=12), all animals developed adhesions (mean score, 3.58 ± 0.51), whereas three rats in the micelles-treated group (n=12) did not develop any adhesions (mean score, 0.67 ± 0.78; P<0.001, Mann-Whitney U-test). Both hematoxylin and eosin and Masson trichrome staining of the ischemic tissues indicated that the micelles demonstrated excellent therapeutic effects on ischemia-induced adhesion. On Day 7 after micelle treatment, a layer of neo-mesothelial cells emerged on the injured tissues, which confirmed the antiadhesion effect of the micelles. The thermosensitive micelles had no significant side effects in the in vivo experiments. These results suggested that biodegradable and thermosensitive PCL-PEG-PCL micelles could serve as a potential barrier agent to reduce the severity of and even prevent the formation of ischemia-induced adhesions.

Zusammenfassung Im Gegensatz zu Transkatheterverfahren sind chirurgische Eingriffe am Herzen mit einem erheblich größeren chirurgischen Trauma verbunden. Es ist nicht nur wichtig, das direkte chirurgische Trauma, sondern auch das indirekte Trauma, das durch unvollkommene Ergebnisse verursacht wird, zu minimieren. Zu diesen unvollkommenen Ergebnissen gehören Reoperationen aufgrund von Blutungen, Infektionen der Sternumwunde, unzureichender Myokardschutz, Transplantatverschlüsse und suboptimale Klappenrekonstruktionen. Jeder Herzchirurg sollte sein Bestes tun, um indirekte chirurgische Traumata zu vermeiden, da diese die Letalität und Morbidität der Patienten, die sich einer Herzoperation unterziehen, erhöhen.