Background Controversy exists regarding the appropriate level of sympathectomy for primary palmar hyperhidrosis (PH) as different levels are associated with variable postoperative patients’ satisfaction and potential complications. The aim of this study was to investigate the safety, efficacy, and outcome of T2-T3 thoracoscopic sympathectomy (TS) versus T4 TS in this age group. Results This prospective study included 32 patients (17 males and 15 females) with primary PH treated at the department of pediatric surgery, in our institution during the period from February 2019 to February 2020. Inclusion criteria included moderate and/or severe degrees of PH not responding to conservative measures. The patients were divided randomly into two groups: group I treated by T2-T3 TS and group II underwent only T4 TS. All patients were evaluated regarding operative details and postoperative outcome. Follow-up ranged from 6 to 24 months. Group I included 18 patients (14 operated on both sides and 4 operated on one side), and group II included 14 patients (11 operated on both sides and 3 operated on one side). The ages ranged between 5 and 18 years (mean 14.25 ± 3.14 years). The difference in mean age among both groups (14.5 versus 13.9 years) was not statistically significant. The mean operative time was significantly longer in group I (22.4 versus 17.2 min, p value 0.046). The hospital stay (1 day) was similar for both groups. Postoperative compensatory hyperhidrosis (CH) was more frequent in group I (n=7, 50% versus n=5, 45.5%), but the difference was not statistically significant. Postoperative over dryness occurred in 5 patients in group I (28.6%) and temporary Horner’s syndrome in one patient (7.14%). No over dryness or Horner’s syndrome occurred in any patient in group II. The QOL score has improved in both groups; the degree of improvements was better in group II. Conclusion Both T2-T3 TS and T4 TS are effective in treating primary palmar hyperhidrosis in children and adolescents. T4 TS is preferred than T2-3 TS due to less frequent postoperative complications and better patients’ satisfaction.

Background Gastric outlet obstruction (GOO) may follow acid corrosive ingestion. Several surgical techniques have been reported after the failure of endoscopic dilatation. The aim of this study was to evaluate the feasibility and safety of Heinecke-Mikulicz pyloroplasty (HMP) through a circum-umbilical skin incision in children with pyloric stricture after accidental acid corrosive ingestion. Results Seven patients were males and 4 were females, their ages ranged from 17 months to 6 years at the time of definitive treatment. The surgery was completed successfully in all patients through the circum-umbilical incision. Vertical extension of skin incision was needed in one patient. The pylorus was grossly affected in 9 patients. Both pylorus and gastric antrum were involved in 2 patients. Nine patients had an excellent postoperative course with the cessation of vomiting and progressive weight gain. One patient developed postoperative recurrent stricture treated by gastrojejunostomy. Another patient with associated esophageal stricture responded to repeated endoscopic dilatation for the esophageal stricture and pyloroplasty for the pyloric stricture. No surgical site infection or wound dehiscence occurred in any patient. Conclusion Heinecke-Mikulicz pyloroplasty through a circum-umbilical approach is both feasible and safe in the majority of children with post-acid corrosive GOO. It is associated with satisfactory wound healing and excellent cosmetic outcome. Different techniques are recommended in cases of severe pyloric stricture associated with significant proximal gastric antral scarring.

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The original version of this chapter was inadvertently published with incorrect name of the second author as 'Gbolahan Adesiyun' whereas it should be 'Adebiyi Gbadebo Adesiyun'.The author name has now been updated with this erratum.