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High-resolution ultrasound study of morphological changes of the pylorus in the postoperative cases of infantile hypertrophic pyloric stenosis

机译:High-resolution ultrasound study of morphological changes of the pylorus in the postoperative cases of infantile hypertrophic pyloric stenosis

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© 2021 Wolters Kluwer Medknow Publications. All rights reserved.Aims: The aim of this study was to find compare the pyloric Canal Length (CL), Pyloric muscle thickness (MT) by using the High Resolution Ultrasonography (HRUS) in Preoperative postoperative period (after Ramstedt Pyloromyotomy) for Infantile Hypertrophic Pyloric Stenosis (IHPS). Methods: From January 2018 to June 2019, we have performed HRUS for 40 patients of clinically diagnosed cases of IHPS. Ultrasonography machine: Phillips HD 7 machine Alpinion E-CUBE with 3-12MHz linear probe, 3.5-5 MHz curvilinear probe and 5-7.5 MHz sector probe were used. The sonographic criteria for positive IHPS are Pyloric muscle thickness (MT) > 3 mm, pyloric Canal length (CL) >14 mm. Postoperative MT CL at 2 month, 4 month 6 month were determined and results were analysed with the preoperative pyloric parameters. Statistical analysis used: Mean and standard deviation of values were obtained by using Microsoft excel and statistical significance was analysed by regression study of grouped variables showing p-value by Microsoft excel. Results: Pyloric parameters (MT CL ) gradually attain normal values over months and 80 of patients showed resolution of pyloric MT CL values by 6 months. MT assessment shows statistical significance at six months scan ( p-value <0.05). Conclusions: Serial postoperative HRUS in IHPS cases show gradual ( mostly by 6 months) resolution of pyloric parameters ( MT CL ) to normal. MT appears to be a consistent parameter for serial assessment.

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