RESUMO
A prospective descriptive study of urinary stone patients based on operative theater data of one regional hospital: Maharat Nakhon Ratchasima Hospital and four general hospitals: Chaiyaphum Hospital, Buriram Hospital, Si Saket Hospital, Surin Hospital of the public health region-5 Thailand from October 1992 to June 1993 a duration of nine months was carried out. There were 468 patients (42.7%) from Maharat Nakhon Ratchasima Hospital, 111 patients (10.1%) from Chaiyaphum Hospital, 123 patients (11.2%) from Buriram Hospital, 240 patients (21.9%) from Si Saket Hospital and 155 patients (14.1%) from Surin Hospital. There were 40 patients (3.65%) aged 15 years old or younger and 1,057 patients (96.35%) aged more than 15 years old. 711 patients (64.8%) had renal calculi, 171 patients (15.6%) had ureteral calculi. 190 patients (17.3%) had vesical calculi and 25 patients (2.3%) had urethral calculi. Surgical procedure: Stones were surgically removed -664 patients (60.5%). Nephrectomy -119 patients (10.9%). Basket removed stones -5 patients (0.4%). Cystolitholapaxy -95 patients (8.7%) and ESWL -214 patients (19.5%).