
ResumoObjetivoDiversos estudos demonstram que pacientes submetidos à artroplastia total do joelho (ATJ) tendem a manter ou a ganhar peso corporal após o procedimento, o que acarretaria aumento no desgaste da prótese e novas intervenções cirúrgicas em um tempo inferior àqueles que se mantém em índice de massa corporal (IMC) adequado. O objetivo deste estudo foi investigar o efeito da cirurgia de ATJ no IMC desses pacientes.MétodosInicialmente foram analisados os prontuários, escolhidos ao acaso, de 91 pacientes submetidos à ATJ de agosto de 2011 a julho de 2013. Os pacientes foram estratificados pelo IMC como peso normal (IMC entre 20‐25), sobrepeso (IMC entre 25‐30) e obesidade (IMC>30) e reavaliados em 18 meses no mínimo.ResultadosA média de idade da população amostral foi de 68,1 anos, 69,1 para homens e 67,2 para mulheres. O IMC médio pré‐operatório foi de 27,24kg/m2. Entre os participantes do estudo, no período pré‐operatório, 17 pacientes apresentavam peso normal; 65, sobrepeso e nove, obesidade. A análise pós‐operatória demonstrou diminuição no peso em 41 pacientes (46%) e ganho ponderal em 50 (54%). O IMC médio pós‐operatório foi de 27,16kg/m2, de forma geral, ocorreu uma ligeira queda do IMC médio em 0,08kg/m2.ConclusãoOs pacientes submetidos à ATJ não obtiveram redução significativa do IMC após o procedimento cirúrgico.AbstractObjectiveSeveral studies show that patients undergoing total knee arthroplasty (TKA) tend to maintain or gain weight after the procedure, which would result in increased wear of the prosthesis and new surgical interventions to those on a lower time remains in body mass index (BMI) appropriate. The aim of this study was to investigate the effect of TKA surgery in these patients BMI.MethodsInitially the records were analyzed, chosen at random from 91 patients undergoing TKA during the period from August 2011 to July 2013. Patients were stratified by BMI as normal weight (BMI between 20‐25), overweight (BMI between 25‐30), and obesity (BMI>30). They were re‐evaluated in a minimum period of 18 months.ResultsThe mean age of the sample population was 68.1 years; 69.1 for men and 67.2 for women. The mean preoperative BMI was 27.24kg/m2. Among the study participants, in the preoperative period, 17 patients had normal weight, 65 were overweight, and nine were obese. Postoperative analysis showed decrease in weight in 41 patients (46%), and weight gain in 50 patients (54%). The mean postoperative BMI was 27.16kg/m2, in general, experiencing a slight decline in the mean BMI in 0.08kg/m2.ConclusionPatients who underwent TKA did not achieve significant reduction in BMI after surgery.
Índice de massa corporal, Obesidade, Surgery, Obesity, Artroplastia do joelho, Body mass index, Knee arthroplasty
Índice de massa corporal, Obesidade, Surgery, Obesity, Artroplastia do joelho, Body mass index, Knee arthroplasty
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