FREQUENCY OF RENAL COLIC DUE TO RENAL STONE ASSOCIATED WITH CHANGE IN CLIMATE DURING DIFFERENT MONTHS OF THE YEAR

OBJECTIVE: To study the incidence of renal colic attacks due to renal stone and its relationship withclimate during different months of the year.MATERIAL AND MONTHS: This prospective study was conducted on patients with renal colicsecondary to stones, who were admitted in the Institute of Kidney Diseases Hayatabad Peshawar betweenOctober 2010 & September 2013.RESULTS: This study included 980 patients, 765 (78.06%) were male and 215 (21.93%) were female.Themean age of the patients was ( 33.1± 9.8years). Majority of the patients 807(82.4%) were under 40 years ofage. Renal colic was more common in summer months like June 118 (12%), July 111 (11.3%) August 109(11.1%) and September 88 (9%) respectively. The lowest no of admission was in February 40 (4.1%),January43 (4.4%), and March 45 (4.6%). It shows that the mean admission of the year due to renal colicsecondary to stone was significantly different from mean admission of the warmer months 578 patients(59%) in comparison to winter month 402 patients (41%). It shows that there was 18% increased incidenceof renal colic visits in the warmer months of June, July and august compared with the colder months ofDecember,January and February.CONCLUSION: The renal colic visit was more in the summer and highest in the month of June, July,August and declining start from September onward and lowest in February. We found a strong positivecorrelation between ambient temperature and renal colic visits.