Immediate POP follow-up was carried out during recovery and intrahospital period for all patients until they were discharged or they died. Follow-up was continued by telephone after one month, the third month and at six months.
Se hizo seguimiento posquirúrgico inmediato, en recuperación y en salas de hospitalización a todos los pacientes, hasta que fueron dados de alta u ocurrió su defunción; se continuó el seguimiento telefónico al mes, a los tres meses y a los seis meses.