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Gallstone ileus is a rare but potentially serious complication of gallstone disease, which presents as a mechanical intestinal obstruction due to impaction and fistulization of a gallstone, most commonly in the small intestine. Since it usually occurs in elderly patients, the symptoms can be very diverse and with a late presentation. We present the case of a 90-year-old patient with intestinal obstruction and acute abdominal pain who experienced gallstone ileus and underwent surgery, and a few days after being discharged returned with a recurrence of the symptoms, was re-operated, and a second stone was found.

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Superior mesenteric artery syndrome, or Wilkie's syndrome, is one of the rarest gastrointestinal disorders known to medical science. It is characterized by the vascular clamp of the third portion of the duodenum, between the superior mesenteric artery and the aorta. It presents as an uncommon cause of upper intestinal obstruction. Imaging is required, preferably with a contrast-enhanced CT or an MRI; conservative management is preferred, leaving surgery for the most complex cases. We present the case of a 34-year-old man with Duchenne's muscular dystrophy and a history of substantial weight loss after hospital admission for aspiration pneumonia. He underwent an abdominal CT scan that showed enlargement of the stomach, the second and third parts of the duodenum; without observing masses, the patient received conservative management with a nasojejunal feeding tube. At the outpatient reevaluation, 1 month postdischarge, he became asymptomatic and had progressive weight gain.

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Gallstone ileus is a relatively rare complication of cholelithiasis, and an uncommon cause of small bowel obstruction most commonly seen in elderly and debilitated people with associated comorbidities. Symptoms of gallstone ileus are insidious and may be vague while the delay in diagnosis results in a high mortality rate. Herein we report two cases of gallstone ileus in elderly patients with complex medical history who presented at the emergency department with abdominal pain and distension, vomiting and fluid/electrolyte disorders due to cholecysto-enteric fistula and bowel obstruction.

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OBJECTIVE: To evaluate the efficacy and safety of Wuda Granule (WDG) on recovery of gastrointestinal function after laparoscopic bowel resection in the setting of enhanced recovery after surgery (ERAS)-based perioperative care. METHODS: A total of 108 patients aged 18 years or older undergoing laparoscopic bowel resection with a surgical duration of 2 to 4.5 h were randomly assigned (1:1) to receive either WDG or placebo (10 g/bag) twice a day from postoperative days 1-3, combining with ERAS-based perioperative care. The primary outcome was time to first defecation. Secondary outcomes were time to first flatus, time to first tolerance of liquid or semi-liquid food, gastrointestinal-related symptoms and length of stay. Subgroup analysis of the primary outcome according to sex, age, tumor site, surgical time, histories of underlying disease or history of abdominal surgery was undertaken. Adverse events were observed and recorded. RESULTS: A total of 107 patients [53 in the WDG group and 54 in the placebo group; 61.7 ± 12.1 years; 50 males (46.7%)] were included in the intention-to-treat analysis. The patients in the WDG group had a significantly shorter time to first defecation and flatus [between-group difference -11.01 h (95% CI -20.75 to -1.28 h), P=0.012 for defecation; -5.41 h (-11.10 to 0.27 h), P=0.040 for flatus] than the placebo group. Moreover, the extent of improvement in postoperative gastrointestinal-related symptoms in the WDG group was significantly better than that in the placebo group (P<0.05). Subgroup analyses revealed that the benefits of WDG were significantly superior in patients who were male, or under 60 years old, or surgical time less than 3 h, or having no history of basic disease or no history of abdominal surgery. There were no serious adverse events. CONCLUSION: The addition of WDG to an ERAS postoperative care may be a viable strategy to enhance gastrointestinal function recovery after laparoscopic bowel resection surgery. (Registry No. ChiCTR2100046242).

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Gallstone ileus is a rare yet significant cause of mechanical bowel obstruction, particularly in elderly patients. This condition arises when gallstones migrate into the gastrointestinal tract through a cholecystoenteric fistula, often due to chronic inflammation. Despite medical advancements, gallstone ileus remains associated with high morbidity and mortality rates due to delayed diagnosis and nonspecific symptoms. The clinical presentation typically includes intermittent nausea, vomiting, abdominal pain, and constipation, which can obscure the diagnosis. Advanced imaging techniques, especially computed tomography (CT), are crucial for identifying key diagnostic features such as pneumobilia, ectopic gallstones, and signs of bowel obstruction. Gallstone ileus should be considered in any case of small bowel obstruction, even if CT imaging is inconclusive, as gallstones can be radiolucent. Indirect clues like pneumobilia and dilated small bowel loops can lead to the diagnosis. Effective management of gallstone ileus requires prompt surgical intervention to remove the obstructing gallstone and restore bowel patency. The primary surgical procedure is enterolithotomy, although additional procedures such as cholecystectomy and fistula repair may be necessary depending on the patient's condition and intraoperative findings. The choice of surgical approach should be individualized, considering the patient's overall health and the specific characteristics of the obstruction. Early recognition and timely surgical management are essential to prevent complications and improve patient outcomes.

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BACKGROUND: Chewing gum is a healthy, cheap, and familiar solution for patients with premature irritation of the stomach and intestines. This study compared the effect of chewing gum and the routine method on ileus after burns. METHODS: This study is a randomized clinical trial conducted in Valiasr Hospital in Arak, Markazi Province, in the center of Iran, from December 2021 to February 2023. After the diagnosis of intestinal ileus in 83 patients hospitalized in the burn department by a general surgeon, with the available sampling method, these patients were evaluated based on the inclusion and exclusion criteria of the study. As a result, 66 patients were selected and divided into groups A (33 patients in the intervention group: routine care + gum chewing) and B (33 patients in the control group: routine care) by random allocation method. For the intervention group, from entering the ward until the beginning of oral feeding, gum (without sugar) was chewed four times a day for 15 min, while control groups received the routine diet of the department. Both groups' condition of the bowel sounds, time of passing gas, and stool were recorded. The statistical analyses were performed using SPSS version 16. The chi-squared, Fisher's exact, Independent t-test, and Mann-Whitney U tests were utilized. RESULTS: The results showed that the median bowel sound return time, time of the first gas discharge, earliest defecation time, and time to start the diet were significantly shorter in the intervention group than in the control group (P < 0.001). CONCLUSION: This study showed the effect of chewing gum without sugar in shortening the symptoms of intestinal ileus after burns. However, it was not effective in reducing the hospitalization period of patients. According to these results, it is recommended to add chewing gum to the routine care of people hospitalized due to burns. TRIAL REGISTRATION: Iranian Registry of Clinical Trials IRCT20180715040478N1, 2021-07-27.

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BACKGROUND: Postoperative ileus (POI) is a common complication following abdominal surgery, often leading to extended hospital stays and a higher risk of post-operative complications, leading to poorer patient outcomes. Alvimopan, a peripherally acting µ-opioid receptor antagonist, has been shown to aid in the recovery of normal bowel function after surgery. While its benefits are well-established in open abdominal surgeries, its efficacy in laparoscopic procedures had not been conclusively determined. However, recent clinical trials involving laparoscopic surgeries have since been conducted. This review aims to reassess the efficacy of Alvimopan by incorporating findings from these new studies, potentially providing further insight into its clinical benefits. METHODS: A comprehensive search of PubMed, Google Scholar, EMBASE, and the Cochrane Library was conducted. Studies were included based on the PICO framework, focusing on Alvimopan's impact on postoperative gastrointestinal recovery. Primary outcomes were time to gastrointestinal function recovery (GI-3) and hospital stay duration. RESULTS: Ten studies met the inclusion criteria, with seven focusing on the use of Alvimopan in open abdominal surgeries and three in laparoscopic procedures. Collectively, these studies involved 18,822 patients undergoing various types of abdominal Administration of Alvimopan 6 mg accelerated gastrointestinal function recovery by an average of 14 h (Hazard ratio: 1.62, p = 0.002) and reduced hospital stays by 5.2 h (Hazard ratio: 1.52, p = 0.04) compared to placebo. Similarly, Alvimopan 12 mg reduced GI-3 recovery time by 13.5 h (Hazard ratio: 1.58, p = 0.02) and hospital stay duration by 6.2 h (Hazard ratio: 1.46, p = 0.018). CONCLUSION: Alvimopan shows promise in reducing POI and hospital stay durations following abdominal surgeries. The incorporation of the recent studies in laparoscopic abdominal procedures further supports these findings. Integrating Alvimopan into perioperative care protocols may enhance patient outcomes and help lower healthcare costs.

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BACKGROUND: Postoperative ileus (POI) is a common complication following major abdominal surgery. The majority of the data available regarding POI after abdominal surgery is from the gastrointestinal and urological literature. These data have been extrapolated to vascular surgery, especially with regard to enhanced recovery programs for open abdominal aortic aneurysm (AAA) surgery. However, vascular patients are a unique patient population and extrapolation of gastrointestinal and urological data may not necessarily be appropriate. Therefore, the purpose of this study was to delineate the prevalence and risk factors of POI in patients undergoing open AAA surgery. METHODS: This was a retrospective, single-institution study of patients who underwent open AAA surgery from January 2016 to July 2023. Patients were excluded if they had undergone nonelective repairs or had expired within 72 hours of their index operation. The primary outcome was rates of POI, which was defined as the presence of two or more of the following after the third postoperative day: nausea and/or vomiting, inability to tolerate oral food intake, absence of flatus, abdominal distension, or radiological evidence of ileus. RESULTS: A total of 123 patients met study criteria with an overall POI rate of 8.9% (n = 11). Patients who developed a POI had a significantly lower body mass index (24.3 kg/m2 vs 27.1 kg/m2; P = .003), were more likely to undergo a transperitoneal approach (81.8% vs 42.0%; P = .022), midline laparotomy (81.8% vs 37.5%; P = .008), longer total clamp times (151.6 minutes vs 97.7 minutes; P = .018), greater amounts of intraoperative crystalloid infusion (3495 mL vs 2628 mL; P = .029), and were more likely to return to the operating room (27.3% vs 3.6%; P = .016). Proximal clamp site was not associated with POI (P=.463). Patients with POI also had higher rates of postoperative vasopressor use (100% vs 61.1%; P = .014) and greater amounts of oral morphine equivalents in the first 3 postoperative days (488.0 ± 216.0 mg vs 203.8 ± 29.6 mg; P = .016). Patients who developed POI had longer lengths of stay (12.5 days vs 7.6 days; P < .001), a longer duration of nasogastric tube decompression (5.9 days vs 2.2 days; P < .001), and a longer period of time before diet tolerance (9.1 days vs 3.7 days; P < .001). Of those who developed a POI (n = 11), four (36.4%) required total parental nutrition during the admission. CONCLUSIONS: POI is a morbid complication among patients undergoing elective open AAA surgery that prolongs hospital stay. Patients at risk for developing a POI are those with a lower body mass index, as well as those who had an operative repair via a transperitoneal approach, midline laparotomy, longer clamp times, larger amounts of intraoperative crystalloid infusion, a return to the operating room, postoperative vasopressor use, and higher amounts of oral morphine equivalents. These data highlight important perioperative opportunities to decrease the prevalence of POI.

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Background and Aims: Ileus, mechanical bowel obstruction, and acute colonic pseudo-obstruction are characterized by distension of the intestines with accumulated bowel gas. Current treatments are not completely satisfactory. Methods: By manipulating the partial pressures of oxygen and nitrogen in the trapped air with a novel 6-hour treatment with 100% oxygen via nonrebreather mask, the bowel can be successfully decompressed, facilitating resolution of the underlying condition. Results: A positive clinical response was seen in 7/8 [87.5%] patients after therapeutic oxygen for gastrointestinal atony. Maximal lumen diameter decreased by an average of 1.14 ± 0.87 cm [16%]. Conclusion: In this first clinical report of therapeutic oxygen for gastrointestinal atony, the provision of 100% oxygen via nonrebreather mask is a useful therapy. It decreased the diameter of the intestinal lumen and enhanced resolution of ileus, acute colonic pseudo-obstruction, and bowel obstruction. This is a low-morbidity, low-cost treatment of gastrointestinal luminal distension.ClinicalTrials.gov Identifier NCT03386136.st.

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Bouveret syndrome is one of the complications of gallstone disease possibly fatal, which proposes the presence of a large stone obliterating the lumen of the duodenum or stomach because of the formation of a bilioenteric fistula. This review article, therefore, plans to review the causes, patient characteristics, diagnostic workup, associated conditions, and treatment of Bouveret syndrome. A literature search was also performed through scientific databases such as Scopus, Google Scholar, and PubMed concerning articles related to Bouveret syndrome written by different authors. The terms employed for the search were bilioduodenal fistula, Bouveret syndrome, gastric outlet obstruction, and gallstone ileus. Both case reports and systematic reviews that were written in the English language and published between the years 2000 and 2024 were considered. Finally, the review establishes the relevant concerns surrounding the diagnosis of Bouveret syndrome, focusing on the diagnosing issues. It emphasises the need for some specialities' involvement and focuses on the importance of endoscopic intervention. For patients, endoscopy remains the first line of treatment, while surgery is necessary in cases where conservative methods cannot be used. The article also focuses on new approaches to treating the conditions, such as percutaneous gallbladder stone dissolution. Latterly, further developments in minimally invasive surgery pertain to refining methods, including endoscopic removal and lithotripsy, to improve the survival rate of patients. Further investigation is required, especially regarding the administration schedule in relation to this disorder and goals that can reduce mortality and morbidity, especially in elderly patients with comorbid diseases.

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Neuroleptic malignant syndrome (NMS) is a rare life-threatening condition associated with the use of antipsychotic medications. This case report describes a male patient in his early 30s who presented with fever, breathlessness, and lower limb weakness, ultimately diagnosed with NMS despite the absence of muscular rigidity. On examination, he was febrile, tachycardic, and tachypneic with an oxygen saturation of 88% and elevated blood pressure. On auscultation diffuse crepitations in both lungs were revealed. Neurological assessment indicated motor strength of 3/5 in both lower limbs, without rigidity, sensory loss, or cerebellar signs. It was noted that he was on irregular atypical antipsychotic medication for the past one year. Laboratory investigations revealed leukocytosis, elevated transaminases, dyselectrolytemia, elevated creatine phosphokinase (CPK), and serum creatinine. NMS was not initially considered due to the lack of muscular rigidity. However, the patient later developed autonomic dysregulation manifestations, such as paralytic ileus. Once organic causes were excluded, NMS was diagnosed. Supportive therapy included 23 cycles of hemodialysis and colonic decompression for pseudo-obstruction. He was treated with intravenous fluids and dopamine receptor agonist medications. NMS usually presents with fever, muscular rigidity, altered mental status, and autonomic instability; yet, the absence of muscular rigidity in this patient is a distinctive and unusual feature.

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BACKGROUND: Stomach, small intestine, and colon have distinct patterns of contraction related to their function to mix and propel enteric contents. In this study, we aim to measure gut myoelectric activity in the perioperative course using external patches in an animal model. METHODS: Four external patches were placed on the abdominal skin of female Yucatan pigs to record gastrointestinal myoelectric signals for 3 to 5 d. Pigs subsequently underwent anesthesia and placement of internal electrodes on stomach, small intestine, and colon. Signals were collected by a wireless transmitter. Frequencies associated with peristalsis were analyzed for both systems for 6 d postoperatively. RESULTS: In awake pigs, we found frequency peaks in several ranges, from 4 to 6.5 cycles per minute (CPM), 8 to 11 CPM, and 14 to 18 CPM, which were comparable between subjects and concordant between internal and external recordings. The possible effect of anesthesia during the 1 or 2 h before surgical manipulation was observed as a 59% (±36%) decrease in overall myoelectric activity compared to the immediate time before anesthesia. The myoelectrical activity recovered quickly postoperatively. Comparing the absolute postsurgery activity levels to the baseline for each pig revealed higher overall activity after surgery by a factor of 1.69 ± 0.3. CONCLUSIONS: External patch measurements correlated with internal electrode recordings. Anesthesia and surgery impacted gastrointestinal myoelectric activity. Recordings demonstrated a rebound phenomenon in myoelectric activity in the postoperative period. The ability to monitor gastrointestinal tract myoelectric activity noninvasively over multiple days could be a useful tool in diagnosing gastrointestinal motility disorders.

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A 10-year-old spayed female Dachshund presented with abdominal pain and generalized severe ileus. An exploratory laparotomy was performed, confirming a severe ileus of undetermined origin. Multiple intestinal biopsy results confirmed acute intestinal leiomyositis. Immunohistochemistry (IHC) stains confirmed a T-cell predominant inflammatory infiltrate. Intravenous immunoglobulin (hIVIG) was administered prior to immunosuppressive therapy. Within 10 days of hIVIG treatment, functional peristaltic activity returned, and symptoms resolved. Long-term management, including the use of mycophenolate, resulted in sustained functional peristaltic recovery. Further studies are needed to explore the potential benefits of hIVIG treatment in the stabilization phase of this commonly fatal, treatment-refractory disease.

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BACKGROUND: Postoperative ileus (POI), characterized by absent gastrointestinal motility, is a frequent complication following major abdominal surgery, with no current effective treatment possibilities. For further research in the treatment of this condition, we aimed to establish a porcine model of POI. METHODS: A total of 12 Landrace pigs, weighing 60 kg, were included. Five animals were used as pilots to establish the surgical procedure, five animals received the same reproducible surgical procedure developed in the pilot experiments, while two animals were used as control. The primary endpoint was number of days to first stool. Intestinal motility was monitored using the SmartPill system. KEY RESULTS: Four of the five pigs who underwent the final surgical procedure passed first stool on the third postoperative day (POD), and one passed first stool on the fifth POD. SmartPill data showed retention of the capsule in the stomach in four of five pigs with usable traces. CONCLUSION AND INFERENCES: An experimental porcine model of POI was established, forming the basis for future studies in POI.

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BACKGROUND AND OBJECTIVES: Considering the significant prevalence of ileus after abdominal surgery and the beneficial effects of Cuminum cyminum in digestive problems, this study aimed to examine whether Cuminum cyminum has any effect on the return of bowel motility after abdominal surgery. MATERIALS AND METHODS: In this triple-blind clinical trial study, 74 patients undergoing abdominal surgery were assigned to the intervention and control groups using minimization methods. The patients in the intervention group consumed 250 mg capsules containing Cuminum cyminum extract 4 h after the surgery and another dose of the drug 1 h afterward. The patients in the control group consumed a 250 mg capsule containing starch as a placebo at hours similar to those in the intervention group. The instruments used to collect the data were a demographic questionnaire and a researcher-made checklist to assess bowel habits. The data were analyzed using SPSS-22 software. RESULTS: The average time of gas passing in the intervention and control groups was 9.03 ± 3.41 and 11.72 ± 4.21 h, respectively. The defecation times in the intervention and control groups were 16.97 ± 5.02 and 26 ± 9.87 h, showing a significant difference between the two groups as indicated by the independent samples T-test (P > 0.001). Furthermore, abdominal pain, abdominal bloating, nausea, and vomiting were significantly less frequent in the intervention group compared to the control group as confirmed by Fisher's exact test (P > 0.001). CONCLUSION: According to the results, the consumption of Cuminum cyminum after abdominal surgery helps to reduce the time of gas passing, defecation, and the return of bowel motility. However, additional studies need to address the effectiveness of Cuminum cyminum by changing the time and duration of its use.

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Diazoxide is the only medication approved by the United States Food and Drug Administration for the treatment of hyperinsulinism-induced hypoglycemia. Overdose is infrequently reported. This case describes a preterm four-week-old male who was prescribed diazoxide and chlorothiazide for perinatal stress-induced hyperinsulinism. The patient presented to the emergency department with feeding intolerance and abdominal distension following an accidental 10-fold diazoxide overdose. On presentation, vital signs were remarkable for tachycardia and intermittent tachypnea. Physical exam revealed a grossly distended abdomen. Laboratory abnormalities included a glucose of 216 mg/dL, sodium of 132 mmol/L, and chloride of 98 mmol/L. Abdominal X-ray interpretation found moderate gaseous distension suggestive of generalized ileus. The patient was admitted to the neonatal intensive care unit (NICU), and a nasogastric tube was placed. He received intravenous dextrose fluids, and enteral feeds were resumed as serial X-rays showed interval improvement. The patient remained in the NICU for several days to monitor bowel movements and resolution of ileus and he was discharged after improvement. While diazoxide overdose is rarely reported, and ileus due to such is documented even less frequently, 10-fold medication dose errors are common among infants. The source of the 10-fold mistake is often decimal points, leading zeros, or trailing zeros. Utilizing the smallest possible syringe for the prescribed dose may reduce the incidence of medication errors.

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Still's disease is frequently a condition of exclusion for patients with an unidentified cause of fever. Accompanying symptoms typically include fever, arthralgia, and a transient skin rash. The underlying pathophysiology indicates an autoimmune origin. Diagnosis is primarily clinical, often utilizing the Yamaguchi criteria. The case in question involves a 19-year-old male presenting with high-grade fever and paralytic ileus. The patient received intravenous glucocorticoids and cyclophosphamide, resulting in a rapid clinical improvement. During the follow-up, tofacitinib was initiated based on the clinical response observed.

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PURPOSE: This review evaluates nonpharmacological interventions for postoperative ileus (POI) prevention and treatment. DESIGN: We systematically reviewed articles from various databases between January 2012 and February 2023 on POI prevention in colorectal surgery patients, emphasizing nursing interventions. METHODS: Inclusion was based on criteria such as language (English or Turkish), date range, and study type. The risk of bias was evaluated using Cochrane's RoB2 tool. FINDINGS: Of the 3,497 articles found, 987 unique articles were considered. After title and abstract reviews, 977 articles were excluded, leaving 52 randomized controlled trials for examination. Common interventions included chewing gum, early hydration, acupuncture, and coffee consumption. Compared to control groups, intervention groups had quicker bowel function return, shorter hospital stays, fewer complications, and enhanced quality of life. CONCLUSION: Nondrug nursing interventions post colorectal surgery can effectively mitigate POI, optimize bowel function, and boost patient satisfaction, warranting their incorporation into post-surgery care protocols.

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PURPOSE: Despite the increasing preference for minimally invasive surgery for colorectal cancer (CRC), the incidence of prolonged postoperative ileus (PPOI) remains high. Thus, this study aimed to identify risk factors for PPOI in patients with CRC who underwent minimally invasive surgery (MICRS) and to develop a practical nomogram for predicting individual PPOI risk. METHODS: A consecutive series of 2368 patients who underwent MICRS between 2013 and 2023 at two tertiary academic centers were retrospectively studied. Using the data from 1895 patients in the training cohort, a multivariable logistic regression model was employed to select significant variables for the construction of a best-fit nomogram. The nomogram was internally and externally validated. RESULTS: PPOI occurred in 9.5% of patients. Six independent risk factors were identified to construct a nomogram: advanced age (OR 1.055, P = 0.002), male sex (OR 2.914, P = 0.011), age-adjusted Charlson comorbidity index ≥ 6 (OR 2.643, P = 0.025), preoperative sarcopenia (OR 0.857, P = 0.02), preoperative prognostic nutritional index (OR 2.206, P = 0.047), and intraoperative fluid overload (OR 2.227, P = 0.045). The AUCs of the model for predicting PPOI in the training and external validation cohorts were 0.887 and 0.838, respectively. The calibration curves demonstrated excellent consistency between the nomogram-predicted and observed probabilities in both cohorts. Individuals with a total nomogram score of < 197 or ≥ 197 were considered to be at low or high risk for PPOI, respectively. CONCLUSIONS: The integrated nomogram we developed could provide personalized risk prediction of PPOI after MICRS. This quantification enables surgeons to implement personalized prevention strategies, thereby improving patient outcomes.

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