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Colon adenocarcinoma (COAD) is a malignant tumor type. Fever is the most common postoperative complication of COAD. The present study described the treatment of a patient with early-stage COAD with precancerous colon polyps and the possible cause of postoperative fever. The patient was a 48-year-old woman with intermittent hematochezia, defecation urgency and liquid feces. The patient received surgical treatment, a whole segment from the intestine was removed, which contained a 4-cm-long mass and a 2-cm-long firm mass. Within 3 days after the operation, the patient's incision healed well, but the body temperature increased to a range of 37.8-38.6°C. The suture was removed on the 10th postoperative day. After another three days, it was discovered that the upper end of the patient's surgical incision split to the anterior rectus abdominis sheath. The patient was provided with recombinant human acidic fibroblast growth factor to promote wound healing. The patient was finally diagnosed with rectosigmoid junction adenocarcinoma and precancerous colon polyps according to pathological examination results. The patient was given intravenous bevacizumab combined with irinotecan hydrochloride and oral capecitabine, and all drugs were repeatedly applied every 3 weeks, and a total of four treatment cycles were used. The cause of this postoperative fever was concluded to be anemia coming from chronic hematochezia and combined with deep wound dehiscence with secondary infection. The present study showcased that low-dose and short-course prophylactic adjuvant therapy is feasible for early-stage COAD with precancerous colon polyps.

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INTRODUCTION AND IMPORTANCE: Fever is a common clinical symptom in patients with postoperative scoliosis. However, there are rare reports of immediately fevers occurring following operative procedures. CASE PRESENTATION: A 15-year-old female with a 1-year history of scoliosis was admitted to the hospital after a health examination. The patient was diagnosed with idiopathic scoliosis and underwent a posterior idiopathic scoliosis procedure and correction for pedicle fixation. The clinical symptoms, including chills, fever, increased heart rate and increased blood pressure, were observed immediately following surgery during anaesthesia recovery. The patient was discharged from the hospital 12 days post-surgery. Over the 90-day follow-up, no chills, fever (≥38 °C), deep tissue infection, or surgery-related complications were reported. This remained consistent for the subsequent 3-year follow-up. CLINICAL DISCUSSION: The patient was discharged 12 days after the operation, and no chills or fever (≥38 °C) occurred during the 90-day follow-up. Furthermore, there were no instances of deep tissue infection or any other surgery-related complications throughout the subsequent 3-year follow-up duration. A literature review has performed for this subject by systematic review. We identified only three reports that specifically examined postoperative fever as an observational measure among spine surgical patients. Unfortunately, none of these reports mentioned immediate postoperative fever. CONCLUSION: Based on the available clinical data and research evidence, it is recommended to exercise caution when treating patients who experience postoperative chill and fever, as it may be caused by a combination of intraoperative hypothermia and anaesthesia inhibition. While these symptoms may be self-limiting in nature, close monitoring and appropriate management should be implemented to ensure patient safety and to identify any potential complications.

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BACKGROUND: Laparoscopic adrenalectomy is widely performed for a number of hormone-producing tumors and postoperative management depends on the hormones produced. In the present study, we conducted a retrospective analysis to clarify the risk factors for postoperative complications, particularly postoperative fever after laparoscopic adrenalectomy. METHODS: We analyzed 406 patients who underwent laparoscopic adrenalectomy at our hospital between 2003 and 2019. Postoperative fever was defined as a fever of 38 °C or higher within 72 h after surgery. We investigated the risk factors for postoperative fever after laparoscopic adrenalectomy. RESULTS: There were 188 males (46%) and 218 females (54%) with a median age of 52 years. Among these patients, tumor pathologies included 188 primary aldosteronism (46%), 75 Cushing syndrome (18%), and 80 pheochromocytoma (20%). Postoperative fever developed in 124 of all patients (31%), 30% of those with primary aldosteronism, 53% of those with pheochromocytoma, and 8% of those with Cushing syndrome. A multivariate logistic regression analysis identified pheochromocytoma and non-Cushing syndrome as independent predictors of postoperative fever. Postoperative fever was observed in 42 out of 80 cases of pheochromocytoma (53%), which was significantly higher than in cases of non-pheochromocytoma (82/326, 25%, p < 0.01). In contrast, postoperative fever developed in 6 out of 75 cases of Cushing syndrome (8%), which was significantly lower than in cases of non-Cushing syndrome (118/331, 35.6%, p < 0.01). CONCLUSION: Since postoperative fever after laparoscopic adrenalectomy is markedly affected by the hormone produced by pheochromocytoma and Cushing syndrome, it is important to carefully consider the need for treatment.

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Objective: To report the initial results of an randomized clinical trail comparing the safety and efficacy between 7.5F and 9.2F flexible ureteroscope (FUS) in the management of renal calculi <2 cm. Materials and Methods: Eighty patients were enrolled and received retrograde intrarenal surgery (RIRS) with a different size FUS. The operation results and complications were compared. Results: Two cases in the 7.5F group and four cases in the 9.2F group failed to insert the 12/14F ureteral access sheath (UAS), respectively, and no significant difference (p = 0.396) was noted. However, 10/12F UAS was inserted in the 7.5F group, but not available in the 9.2F group, and thus, the 10/12F UAS inserting rate in the 7.5F group was higher than in the 9.2F group (100% vs 0%, p = 0.014), and the UAS insertion failure rate in 9.2F group was higher than in the 7.5F group (10% vs 0%, p = 0.040). The operation time in 7.5F group was shorter than the 9.2F group (35.60 ± 7.86 vs 41.05 ± 8.14, p = 0.003). Less irrigation was required in 7.5F group (813.93 ± 279.47 mL vs 1504.18 ± 385.31 mL, p = 0.000). The postoperative fever rate in 9.2F group was higher than 7.5F group (20% vs 5%, p = 0.043). There was no significant difference in sepsis (0% vs 2.5%, p = 0.314) between the two groups. No significant difference was noted in hospital stay (0.93 ± 0.49 days vs 1.14 ± 0.64 days, p = 0.099) between the two groups. The final stone-free rate (SFR) in 7.5F group was higher than 9.2F group (95% vs 80%, p = 0.043). Conclusion: The latest 7.5F mini FUS was a reliable instrument in RIRS to keep a good visualization with low requirement of irrigation, low postoperative infection complication, and also a high SFR when compared with the conventional 9.2F FUS. Clinical Trial Registration: NCT05231577.

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OBJECTIVE: Hemispherotomy is an effective treatment for intractable hemispheric epilepsy; however, hydrocephalus remains a common complication of the procedure. The causes of hydrocephalus following hemispherotomy have not been fully elucidated; therefore, the purpose of this study was to identify the risk factors associated with the condition. METHODS: The authors investigated the records of all patients aged < 18 years who underwent hemispherotomy at their institution between 2003 and 2020 and were monitored for hydrocephalus for at least 1 year after the procedure. To identify the risk factors for hydrocephalus, the following information about each patient was collected: sex, corrected age at surgery, body weight at surgery, previous intracranial surgery, etiology of epilepsy, results of PET for hypermetabolism, side of surgery, type of operation (vertical or horizontal approach), operation time, blood loss during surgery, use of intraventricular drainage, occurrence of intraventricular hemorrhage (IVH) on the 1st postoperative day, duration of postoperative fever of > 38°C, and maximum C-reactive protein level after the operation. Multivariate logistic regression analyses were performed. RESULTS: This study included 51 children who underwent hemispherotomies for drug-resistant epilepsy at our hospital. Seven patients (13.7%) experienced hydrocephalus and were treated with ventricular or subdural peritoneal shunts or fenestration. Multivariate logistic analysis using the Bayesian information criterion revealed that 3 factors were associated with the occurrence of hydrocephalus: age at surgery, postoperative IVH volume, and duration of postoperative fever of > 38°C. CONCLUSIONS: This study showed that younger age at surgery, postoperative IVH volume, and duration of postoperative fever of > 38°C might be risk factors for hydrocephalus after hemispherotomy. The risk of hydrocephalus should be considered in cases of early surgical indication in children. Intraoperative hemostasis and postoperative use of anti-inflammatory measures may reduce the risk of hydrocephalus.

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BACKGROUND: Our study aimed to compare the prevalence of postoperative fever during the COVID-19 pandemic period with that of the preceding non-pandemic period. METHODS: A retrospective analysis was conducted on patients with pectus excavatum (PE) undergoing minimally invasive repair (also called NUSS procedure) at Nanjing Children's Hospital from January 1, 2017 to March 1, 2019 (Group 2019), and from January 1, 2020 to March 1, 2021 (Group 2021). Data from a total of 284 patients, consisting of 200 (70.4%) males and 84 (29.6%) females with an average age of 9.73 ± 3.41 (range, 4 to 17) years, were collected. The presence of post-operative fever (defined as a forehead temperature of 37.5℃ or above within 72 h post-surgery), as well as the time of operation, duration of postoperative mechanical ventilator and urinary catheter use, and length of hospitalization were all assessed in admitted patients from Group 2019 (n = 144) and Group 2021 (n = 140). Postoperative white blood cell (WBC), C-reactive protein (CRP) levels, and prevalence of postoperative complications (i.e., pneumothorax, pulmonary atelectasis, pneumonia, wound infection, and dehiscence) were also determined. RESULT: Our results showed a statistically significant decrease in the incidence of postoperative fever within 24 to 72 h of surgery in patients admitted from Group 2019 as compared to Group 2021 (p < 0.001), as well as a decrease in peak body temperature within 72 h (p < 0.05). Meanwhile, no significant differences were observed in age and body mass index (BMI), time of operation, or duration of postoperative mechanical ventilator and urinary catheter use between the two groups (p > 0.05). The average hospitalization length of Group 2021 was significantly shorter than Group 2019 (12.49 ± 2.57 vs. 11.85 ± 2.19 days, p < 0.05). Furthermore, while the WBC count between the two groups 24 h after surgery showed a statistical difference (p < 0.05), no differences in CRP levels or the incidence of postoperative complications were observed (p > 0.05). CONCLUSION: The prevalence of postoperative fever within 72 h of surgery and the length of hospital stay for patients with PE undergoing NUSS surgery were both decreased in Group 2021. We propose that the above phenomenon may be related to increased used of personal protection equipment (such as surgical masks and filtering facepiece respirators (FFRs)) by physicians, nurses, and the patients themselves.

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OBJECTIVE: Precesarean vaginal antisepsis can benefit pregnant women with ruptured membranes. However, in the general population, recent trials have shown mixed results in reducing postoperative infections. This study aimed to systematically review clinical trials and summarize the most suitable vaginal preparations for cesarean delivery in preventing postoperative infection. DATA SOURCES: We searched PubMed, Web of Science, Cochrane Library, SinoMed databases, and the ClinicalTrials.gov clinical trials registry for randomized controlled trials and conference presentations (past 20 years, 2003-2022). Reference lists of previous meta-analyses were searched manually. In addition, we conducted subgroup analysis on the basis of whether the studies were conducted in developed or developing countries, whether the membranes were ruptured, and whether patients were in labor. STUDY ELIGIBILITY CRITERIA: We included randomized controlled trials comparing vaginal preparation methods for the prevention of postcesarean infection with each other or with negative controls. METHODS: Two reviewers independently extracted data and assessed the risk of bias and the certainty of the evidence. The effectiveness of prevention strategies was assessed by frequentist-based network meta-analysis models. The outcomes were endometritis, postoperative fever, and wound infection. RESULTS: A total of 23 trials including 10,026 cesarean delivery patients were included in this study. Vaginal preparation methods included 19 iodine-based disinfectants (1%, 5%, and 10% povidone-iodine; 0.4% and 0.5% iodophor) and 4 guanidine-based disinfectants (0.05% and 0.20% chlorhexidine acetate; 1% and 4% chlorhexidine gluconate). Overall, vaginal preparation significantly reduced the risks of endometritis (3.4% vs 8.1%; risk ratio, 0.41 [0.32-0.52]), postoperative fever (7.1% vs 11.4%; risk ratio, 0.58 [0.45-0.74]), and wound infection (4.1% vs 5.4%; risk ratio, 0.73 [0.59-0.90]). With regard to disinfectant type, iodine-based disinfectants (risk ratio, 0.45 [0.35-0.57]) and guanidine-based disinfectants (risk ratio, 0.22 [0.12-0.40]) significantly reduced the risk of endometritis, and iodine-based disinfectants reduced the risk of postoperative fever (risk ratio, 0.58 [0.44-0.77]) and wound infection (risk ratio, 0.75 [0.60-0.94]). With regard to disinfectant concentration, 1% povidone-iodine was most likely to simultaneously reduce the risks of endometritis, postoperative fever, and wound infection. CONCLUSION: Preoperative vaginal preparation can significantly reduce the risk of postcesarean infectious diseases (endometritis, postoperative fever, and wound infection); 1% povidone-iodine has particularly outstanding effects.

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Bacterial translocation is defined as the invasion of gut bacteria or bacterial products to the systemic circulation via permeation through the gastrointestinal mucosal wall. In this article, we present the case of a patient with postoperative fever of unknown origin which was attributed to bacterial translocation after revisional surgery due to malabsorptive complications after an initial duodenal switch for super-morbid obesity.

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OBJECTIVE: Studies have shown that obesity has a significant impact on poor surgical outcomes. However, the relationship between obesity and pediatric epilepsy surgery has not been reported. This study aimed to explore the relationship between obesity and complications of pediatric epilepsy surgery and the effect of obesity on the outcome of pediatric epilepsy surgery, and to provide a reference for weight management of children with epilepsy. METHODS: A single-center retrospective analysis of complications in children undergoing epilepsy surgery was conducted. Body mass index (BMI) percentiles were adjusted by age and used as a criterion for assessing obesity in children. According to the adjusted BMI value, the children were divided into the obese group (n = 16) and nonobese group (n = 20). The intraoperative blood loss, operation time, and postoperative fever were compared between the two groups. RESULTS: A total of 36 children were included in the study, including 20 girls and 16 boys. The mean age of the children was 8.0 years old, ranging from 0.8 to 16.9 years old. The mean BMI was 18.1 kg/m2, ranging from 12.4 kg/m2 to 28.3 kg/m2. Sixteen of them were overweight or obese (44.4%). Obesity was associated with higher intraoperative blood loss in children with epilepsy (p = 0.04), and there was no correlation between obesity and operation time (p = 0.21). Obese children had a greater risk of postoperative fever (56.3%) than nonobese children (55.0%), but this was statistically nonsignificant (p = 0.61). The long-term follow-up outcomes showed that 23 patients (63.9%) were seizure-free (Engel grade I), 6 patients (16.7%) had Engel grade II, and 7 patients (19.4%) had Engel grade III. There was no difference in long-term seizure control outcomes between obese and nonobese groups (p = 0.682). There were no permanent neurological complications after surgery. CONCLUSION: Compared with nonobese children with epilepsy, obese children with epilepsy had a higher intraoperative blood loss. It is necessary to conduct early weight management of children with epilepsy as long as possible.

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INTRODUCTION: Human herpes virus-6 (HHV-6) is a ubiquitous virus but can lead to deleterious clinical manifestations due to its predilection for the pediatric central nervous system. Despite significant literature describing its common clinical course, it is rarely considered as a causative agent in CSF pleocytosis in the setting of craniotomy and external ventricular drainage device. Identification of a primary HHV-6 infection allowed for timely treatment with an antiviral agent along with earlier discontinuation of antibiotic regimen and expedited placement of a ventriculoperitoneal shunt. CASE PRESENTATION: A two-year-old girl presented with 3 months of progressive gait disturbance and intranuclear ophthalmoplegia. Following craniotomy for removal of 4th ventricular pilocytic astrocytoma and decompression of hydrocephalus, she suffered a prolonged clinical course due to persistent fevers and worsening CSF leukocytosis despite multiple antibiotic regimens. The patient was admitted to the hospital during the COVID-19 pandemic and isolated with her parents in the intensive care unit with strict infection control measures. FilmArray Meningitis/Encephalitis (FAME) panel ultimately detected HHV-6. Clinical confirmation of HHV-6-induced meningitis was proposed given improvement in CSF leukocytosis and fever reduction following the initiation of antiviral medications. Pathologic analysis of brain tumor tissue failed to show HHV-6 genome positivity, suggesting a primary peripheral etiology of infection. CONCLUSION: Here, we present the first known case of HHV-6 infection detected by FAME following intracranial tumor resection. We propose a modified algorithm for persistent fever of unknown origin which may decrease symptomatic sequelae, minimize additional procedures, and shorten length of ICU stay.

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BACKGROUND: It is unclear whether there is a difference in the incidence of postoperative fever (POF) between hip, knee and shoulder arthroplasty. The influence of a trauma setting has not been investigated. METHODS: A retrospective review was performed on 675 joint replacement surgeries (hip, knee, shoulder arthroplasty) in an elective or trauma setting over a 2 year period (2016-2018). Patient demographics and perioperative/postoperative parameters were investigated. The fever curve was characterized. The results and costs of any fever-related diagnostic workup were reviewed. RESULTS: A total of 89 patients (13.2%) experienced a POF ≥ 38.0 °C, only 21 patients (3.1%) a POF ≥ 38.5 °C (of the latter: 4.6% of hip arthroplasties, 0.6% of knee arthroplasties, 0% of shoulder arthroplasties). There was a significantly greater risk (OR 3.88) for POF ≥ 38.5 °C in trauma total hip arthroplasty (THA) compared to elective THA (10.6 vs. 3.0%; p < 0.01). Differences in POF rate between the various joint areas were statistically insignificant when comparing only elective and trauma cases with each other, even though there was a trend for higher rates in hip surgery. Patients experiencing POF ≥ 38.5 °C were more often males (p < 0.01) and had an increased intraoperative blood loss (p = 0.03) and longer hospital stay (p < 0.01). There was only 1/89 POF patients developing an early periprosthetic joint infection. The cost of a positive fever workup (3/27 patients, 11.1%) leading to a new diagnosis and treatment was 2045 US$. CONCLUSION: POF ≥ 38.5 °C was more frequent in traumatic THA compared to elective THA. A trend of difference between POF rates between the different joint areas was statistically insignificant after separating elective and traumatic cases. The risk of developing an early periprosthetic joint infection was not increased in POF. A fever-related diagnostic workup was rarely helpful in the absence of clinical symptoms.

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【Objective】 To investigate the safety and efficacy of flexible vacuum aspiration ureteral access sheath in ureteroscopic lithotripsy in the treatment of renal and upper ureteral calculi. 【Methods】 Clinical data of 41 cases treated in our hospital were retrospectively analyzed, including 20 cases treated with flexible vacuum aspiration ureteral access sheath (experimental group), and 21 cases treated with traditional ureteral access sheath (control group). The stone-clearance rate, operation time, postoperative fever (T>37.5 ℃), length of hospital stay and hospitalization costs were compared between the two groups. 【Results】 All operations were successful. The experimental group had significantly shorter operation time than the control group [(54.0±19.8) min vs. (76.6±20.1) min, P0.05). 【Conclusion】 Flexible vacuum aspiration ureteral access sheath in flexible ureteroscopic lithotripsy can shorten the operation time, improve stone-clearance rate and reduce incidence of postoperative fever, which is worth promoting.

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BACKGROUND: Postoperative fever (POF) is a common problem after total joint arthroplasty (TJA). The goal of this research is to analyze the characteristics and risk factors of fever following TJA. METHODS: We retrospectively investigated 2482 patients who had primary total knee arthroplasty (TKA) or total hip arthroplasty (THA) surgery at our institution between January 2020 and December 2020. Those patients were divided into TKA group and THA group. The patients' axillary temperatures were measured. POF was defined as a body temperature greater than 38 °C. Then patients in the TKA and THA groups were respectively divided into afebrile group and febrile group based on their body temperatures. Temperature changing characteristics of the patients in the febrile group were analyzed and recorded. According to the number of patients in the febrile group, we randomly selected a corresponding number of patients from the afebrile group at a ratio of 1:2 to establish a control group. Gender, hypertension, diabetes, anesthesia, surgical time, and some laboratory data were analyzed between the febrile group and the afebrile group. RESULTS: Three percent of TKA patients (N = 45) had febrile, and in the febrile group of TKA group, 38% (N = 17) had fever and maximum body temperature on postoperative day 2(POD2). Six percent of THA patients (N = 46) had fever, and in the febrile group of THA group, 65% (N = 30) of the patients had fever and maximum body temperature on POD1. In TKA group, compared with afebrile group, febrile group has higher C-reactive protein (mg/L) (CRP) after surgery. In THA group, compared with the afebrile group, the patients in the febrile group had larger fall in hemoglobin (g/L), and higher C-reactive protein (mg/L) (CRP) after surgery, so there were statistically significant differences between the two groups (P < 0.05). CONCLUSION: The POF rate of TKA is 3%, and the first fever and maximum body temperature most commonly appear on the POD2. THA has a 6% POF rate, and the first fever and the maximum body temperature most commonly appear on the POD1. In both groups, high C-reactive protein is a risk factor for postoperative fever. In addition, the fall in hemoglobin is also related to postoperative fever in the THA group.

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OBJECTIVE: To evaluate the rate of implementation after adding vaginal disinfection to the cesarean section protocol and its effect on post cesarean infections and hospital readmissions. STUDY DESIGN: This is an intervention study where two groups were compared. Women the year before (n = 1384) and one year following (n = 1246) the addition of vaginal disinfection, with povidone-iodine 1% prior to the cesarean section, to the protocol. Primary outcome was the rate of implementation. Secondary outcomes were the rates of endometritis, wound infection and postoperative fever. With the effect expressed in the number of hospital readmissions. RESULTS: The implementation rate was 85.6%. Intention-to-treat analysis showed endometritis rates of 2.0% versus 1.1% (p = 0.07). For women with preoperative ruptured membranes there was a significant decrease in endometritis, from 3.4% to 1.3% (p = 0.02). Per-protocol analysis showed endometritis rates of 2.0% to 1.0% (p = 0.05). Women with ruptured membranes, 3.4% versus 1.3% (p = 0.02), and women who were in the second stage of labor, 4.7% versus 0.0% (p = 0.01), had a significant decrease in endometritis. For wound infection and postoperative fever rates were similar. The decrease of infections had a significant effect on hospital readmissions, 27 versus 10 (p = 0.04). CONCLUSION: The implementation of this quality improvement measure shows to be adequate as the vast majority of women undergoing a cesarean received vaginal disinfection. Vaginal disinfection showed a declining trend of endometritis and postoperative fever and for women with broken membranes prior to cesarean section the decrease in endometritis was significant. These beneficial effects have led to a statistical and clinically relevant decrease in hospital readmissions and thus cost reduction.

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Objective: The purpose of this study was to establish a predictive model of postoperative fever in children with acute appendicitis through retrospective analysis, and the prediction ability of the model is demonstrated by model evaluation and external validation. Methods: Medical records information on children undergoing surgery for acute appendicitis within 2 years were retrospectively collected, prospective collection was performed for external validation in the next 3 months. The patients were divided into two groups according to whether the postoperative body temperature exceeded 38.5°C. Multivariate logistic regression analysis was used to determine independent risk factors and develop regression equations and nomogram. ROC curve, calibration curve and decision curve were made for model evaluation. Finally, the clinical implication of the prediction model was clarified by associating postoperative fever with prognosis. Results: High risk factors of postoperative fever included in the prediction model were onset time (X1), preoperative temperature (X2), leukocyte count (X3), C-reactive protein (X4) and operation time (X5). The regression equation is logit (P) = 0.005X1+0.166X2+0.056X3+0.004X4+0.005X5-9.042. ROC curve showed that the area under the curve (AUC) of the training set was 0.660 (0.621, 0.699), and the AUC of the verification set was 0.712 (0.639, 0.784). The calibration curve suggested that the prediction probability was close to the actual probability. Decision curve analysis (DCA) showed that patients could benefit from clinician's judgment. Furthermore, prognostic analysis showed children presenting with postoperative fever had the more duration of postoperative fever, hospitalization stays and cost, except for rehospitalization. Conclusion: All the results revealed that the model had good predictive ability. Pediatricians can calculate the probability of postoperative fever and make timely interventions to reduce pain for children and parents.

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INTRODUCTION: Postoperative fever following elective colectomy is common and often results in comprehensive laboratory and radiographic testing. We hypothesized that risk factors for febrile complications may be identified with data available at the time of initial fever episode and that a significant proportion of patients exists in which additional testing is of minimal utility. METHODS: We performed a retrospective case-control study of patients undergoing elective colorectal resection at a single institution between 2015 and 2020 with postoperative fever ≥38.0°C. Febrile patients with a clinically significant fever source requiring a change in management were compared to patients with fever that resolved spontaneously. An additive risk score from 0 to 3 was generated from selected characteristics with P-value <0.001. Multivariable logistic regression was used to model the odds of infection with the risk score entered as a binary variable (0-1 versus 2-3 risk factors). RESULTS: Of 1036 elective colectomy patients, 143 (13.8%) had postoperative fever ≥38.0°C. Among the febrile patients, 27 had a positive evaluation (18.9%). Active smoking status (P = 0.018), time from surgery to fever, fever ≥38.5°C, other vital sign changes, and documented localizing signs/symptoms (all, P < 0.001) were associated with an identifiable source of fever. On multivariable regression, the presence of 2-3 risk factors and fever onset after postoperative day 1 were associated with a positive fever evaluation. CONCLUSIONS: Few patients with fever after colectomy required a change in clinical management. Those without multiple risk factors elicited from an interval history and physical exam are unlikely to benefit from additional testing.

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Background: The literature regarding the utility of cerebrospinal fluid (CSF) procalcitonin (PCT) in the diagnosis of post-craniotomy bacterial meningitis and differentiating it from aseptic meningitis is sparse. Materials and Methods: CSF total WBC count, sugar, protein, and PCT were measured in febrile patients with suspected post-craniotomy meningitis during the first 30 days following an intradural cranial procedure for non-trauma indications. Patients were diagnosed as postoperative bacterial meningitis if CSF culture was positive (PBM, n = 28) or postoperative aseptic meningitis if CSF culture was sterile and there was no evidence of systemic infection (PAM, n = 31). CSF cytochemical parameters and PCT values were compared between the groups. Normal values of CSF PCT were obtained from 14 patients with noninfectious indications with hydrocephalus. Results: There was no significant difference in CSF total WBC count, sugar, and protein levels between PAM and PBM groups. The median PCT level in CSF in the normal group was 0.03 ng/mL (interquartile range [IQR] 0.02-0.07 ng/mL). CSF PCT in the PBM group (median 0.37 ng/mL, IQR 0.2-1.4 ng/mL) was significantly higher than normal values as well as PAM group (median 0.12 ng/mL, IQR 0.07-0.26 ng/mL (P = 0.0004). The area under the receiver operating characteristic (ROC) curve for CSF PCT was 0.767. A cutoff value of 0.12 ng/mL yielded a sensitivity of 85.7% (95% CI: 67.3% to 96%), specificity of 51.6% (95% CI: 33% to 69.9%), positive predictive value of 61.5% (95% CI: 51.9% to 70.3%), and negative predictive value of 80% (95% CI: 60.3.8% to 91.3%). Conclusions: CSF PCT assay in patients who are febrile during the first 30 days post-non-trauma neurosurgical procedures has a role in the early diagnosis of bacterial meningitis.

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The Italian government on the 8th of march in response to the increased global prevalenceof severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) stated a national quarantine. In this period the absence of rapid and sure screening tests for COVID-19 made necessary more attention for presence of fever in hospitalized patients, like continuous use of surgical, FFP2, and FFP3 masks (PPE) by nurses, physicians, and patients; moreover, patients visits were restricted. In this period, during the daily activities in our orthopedic department we observed an empirical decreased incidence of post-operative fever in patients admitted for trauma surgery. The aim of this study is to compare the prevalence of post-operative fever in this period with the same period in 2019. We analyzed the presence of post-operative fever in 110 patients admitted in 2020 and 129 admitted in 2019. The results show a significant decrease of the prevalence and duration of post-operative fever in patients admitted in 2020. This study evidenced that the use of PPE and limitation in external access to the hospital decrease postoperative fever in hospitalized patients undergone surgery for fracture.

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Fever is a common feature in various pathological conditions that manifests a series of molecular events in the internal milieu. Much less attention has been paid to the clinical importance and the management of fever in breast cancer patients. However, several studies have reported an association between postoperative fever and poor treatment outcomes in breast cancer patients. The fever is a side effect of chemotherapy and a manifestation of cancer recurrence. The postmenopausal breast cancer patients experience another body temperature disturbance that is known as a hot flashes. Here, we reviewed the literature regarding postoperative fever and the possible underlying molecular and cellular mechanisms. Then the efficacy of non-steroidal anti-inflammatory drugs was discussed as a therapeutic option to control postoperative fever. Finally, we reviewed the chemotherapy-induced neutropenic fever and cancer vaccination-induced fever.

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BACKGROUND: Fever in the postoperative period in cardiac patients is common. The purpose of this study is to recognize the risk factors for prolonged postoperative fever in cardiac patients with pulmonary conduit insertion. METHODS: Patients were identified retrospectively by looking at the International Classification of Diseases, Ninth Revision, Clinical Modification procedure code for pulmonary conduit insertion between June 2009 and December 2015 at the American University of Beirut Medical Center. Data about preoperative, perioperative, and postoperative variables were collected. Data entry and analysis were performed using SPSS version 22. RESULTS: The study identified 59 patients. The most common type of pulmonary conduit used was the Contegra type (57.6%) (n = 34), followed by the Labcor type (20.3%; n = 12). Postoperative fever occurred in 61% of patients (n = 36). Fourteen patients (38.8%) had a prolonged fever that lasted for more than seven days. Prolonged postoperative fever was significantly associated with the Labcor pulmonary conduit (P value < .001) and a longer duration of pacing wires (P value: .039). Significantly prolonged fever that lasted for more than 21 days occurred in five patients who all had inserted the Labcor pulmonary conduit. CONCLUSIONS: The Labcor pulmonary conduit type is a risk factor for prolonged postoperative fever. The protracted use of pacing wires could be a consequence of the prolonged fever rather than a cause. In the absence of a demonstrable infectious etiology for prolonged postoperative fever in cardiac patients with pulmonary conduit insertion, the Labcor pulmonary conduit could be the underlying cause. Alternative management of such cases may lead to decreased antibiotic use and morbidity.

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