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- Olsson, A., et al.
(författare)
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Do postoperative complications correlate to chronic pain following inguinal hernia repair? : a prospective cohort study from the Swedish hernia register
- 2023
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Ingår i: Hernia. - : Springer. - 1265-4906 .- 1248-9204. ; 27:1, s. 21-29
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To analyse if postoperative complications constitute a predictor for the risk of developing long-term groin pain.Methods: Population-based prospective cohort study of 30,659 patients operated for inguinal hernia 2015–2017 included in the Swedish Hernia Register. Registered post-operative complications were categorised into hematomas, surgical site infections, seromas, urinary tract complications, and acute post-operative pain. A questionnaire enquiring about groin pain was distributed to all patients 1 year after surgery. Multivariable logistic regression analysis was used to find any association between postoperative complications and reported level of pain 1 year after surgery.Results: The response rate was 64.5%. In total 19,773 eligible participants responded to the questionnaire, whereof 73.4% had undergone open anterior mesh repair and 26.6% had undergone endo-laparoscopic mesh repair. Registered postoperative complications were: 750 hematomas (2.3%), 516 surgical site infections (1.6%), 395 seromas (1.2%), 1216 urinary tract complications (3.7%), and 520 hernia repairs with acute post-operative pain (1.6%). Among patients who had undergone open anterior mesh repair, an association between persistent pain and hematomas (OR 2.03, CI 1.30–3.18), surgical site infections (OR 2.18, CI 1.27–3.73) and acute post-operative pain (OR 7.46, CI 4.02–13.87) was seen. Analysis of patients with endo-laparoscopic repair showed an association between persistent pain and acute post-operative pain (OR 9.35, CI 3.18–27.48).Conclusion: Acute postoperative pain was a strong predictor for persistent pain following both open anterior and endo-laparoscopic hernia repair. Surgical site infection and hematoma were predictors for persistent pain following open anterior hernia repair, although the rate of reported postoperative complications was low.
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- Chen, Yun, 1966, et al.
(författare)
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Hair glucocorticoid concentration, self-perceived stress and their associations with cardiometabolic risk markers in Swedish adolescents
- 2022
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Ingår i: Psychoneuroendocrinology. - : Elsevier BV. - 0306-4530. ; 146
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Tidskriftsartikel (refereegranskat)abstract
- Background: While hair cortisol is proposed as a biomarker for chronic stress and a possible mediator linking chronic stress and cardiovascular risk in adults, studies in adolescents are scarce. We explored the associations between self-perceived stress, hair cortisol (HairF) and cortisone (HairE), and cardiometabolic risk markers in adolescents. Further, we examined whether association between self-perceived stress and HairF may depend on the use of the coping strategies "shift-persist ". Methods: Participants were 7th grade pupils recruited to the STudy of Adolescence Resilience and Stress (STARS) and data from the baseline examinations were used. Adolescents (n = 1553, 26 % boys, Mage=13.6, SD = 0.4) completed questionnaires assessing perceived stress and coping strategies "shift-persist ", provided hair sample, and examined for cardiometabolic risk factors including waist circumference (WC), body mass index (BMI) z -score, blood pressure, and white blood cell counts (WBC). HairF and HairE were analysed using liquid chro-matography with tandem mass spectrometry. We conducted descriptive analyses (Student's t-test, Wilcoxon Signed Ranks test, Chi-square test) and linear regression analyses. Results: Perceived stress was not associated with HairF, neither had the use of coping strategies "shift-persist " any influence on this association. Both HairF and HairE were positively associated with BMI z-score (beta coefficients (8): 0.178 (p < 0.001) and 0.119 (p < 0.001) for boys; 0.123 (p < 0.001) and 0.089 (p < 0.01) for girls) and WC (8: 0.089 (p > 0.05) and 0.098 (p < 0.05) for boys; 0.103 (p < 0.01) and 0.076 (p < 0.05) for girls). Perceived stress was also positively associated with BMI z-score and WC. Perceived stress, but not HairF, remained asso-ciated with WC in boys (8 = 0.200, p < 0.001) in the models with HairF and perceived stress presented simultaneously. Modest association between HairE and WBC was found in boys (8 = 0.149, p < 0.01). Conclusions: The study supports the association between chronic stress and overweight/obesity in adolescents. Hair cortisol and self-perceived stress capture different aspects of how chronic stress is related to overweight/ obesity in adolescents.
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- Dahlstrand, U, et al.
(författare)
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Identification of tumor margins using diffuse reflectance spectroscopy with an extended-wavelength spectrum in a porcine model
- 2018
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Ingår i: Skin Research and Technology. - : Wiley. - 0909-752X. ; 24:4, s. 667-671
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: A novel extended-wavelength diffuse reflectance spectroscopy (EWDRS) technique is being developed for future clinical non-invasive tumor margin delineation. In this study, the ability of EWDRS to identify the margins of pigmented skin lesions in an in vivo pig model was evaluated.MATERIALS AND METHODS: Extended-wavelength diffuse reflectance spectroscopy recordings (350-1550 nm) were made on 13 pigmented skin lesions and non-pigmented skin, as a reference. The hand-held probe was swept toward the pigmented area until the signal changed, thus indicating that the margin had been identified. A needle was inserted as a marker, and tissue samples were sent for histological analysis. The distance between the EWDRS-defined border and the histological border was measured by 3 independent examiners.RESULTS: The median difference between the EWDRS-defined border and the histological border was 70 μm toward the pigmented tissue (range: -579 to 538 μm). A Pearson correlation coefficient of .95 was obtained for the examiners.CONCLUSIONS: Extended-wavelength diffuse reflectance spectroscopy can be used in vivo to delineate the border of pigmented skin lesions in a porcine model with high accuracy, indicating that it may be a useful tool for non-invasive tumor margin delineation in the future.
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- Emanuelsson, Peter, et al.
(författare)
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Analysis of the abdominal musculo-aponeurotic anatomy in rectus diastasis : comparison of CT scanning and preoperative clinical assessment with direct measurement intraoperatively
- 2014
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Ingår i: Hernia. - Paris : Springer. - 1265-4906 .- 1248-9204. ; 18:4, s. 465-471
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: To evaluate and compare the consistency of agreement of two methods for measuring abdominal rectus diastasis (ARD), preoperative computed tomography (CT) scanning and preoperative clinical assessment were compared with direct measurement intraoperatively.METHODS: Fifty-five consecutive patients were retrieved from an ongoing prospective randomised trial comparing two operative techniques for the repair of ARD. All patients underwent a preoperative clinical assessment and CT scan, and the results were compared with intraoperative measurement of the ARD width. Agreement between methods was described with Bland-Altman plots (BA plots) and calculated using Lin's Concordance Correlation Coefficient (CCC).RESULTS: The median width of the diastasis was 4.0 cm in the upper midline and 3.0 cm in the lower midline for the intraoperative measurement. BA plots showed that measurements on CT and intraoperatively are not in agreement in the lower midline, whereas the agreement was stronger between the clinical and the intraoperative method. The CCC was higher for clinical vs. intraoperative measurement (0.479) than for CT vs. intraoperative measurement (-0.002) in the lower midline, although the agreement was over all low. CT scanning underestimated the width of the ARD when compared to 87 % of preoperative clinical assessments, and 83 % of intraoperative measurements. Preoperative clinical assessment overestimated ARD in 35 % when compared with intraoperative measurements.CONCLUSION: Clinical assessment prior to surgery provides more accurate information than CT scanning in the assessment of ARD width. CT scanning underestimates ARD width when compared with intraoperative measurement.
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