• Mehmet Sükrü Sever, Ekrem Erek, Raymond Vanholder, Cetin Ozener, Mahmut Yavuz, Hülya Ergin, Haluk Kiper, Didem Korular, Başol Canbakan, Turgay Arinsoy, Wim VanBiesen, Norbert Lameire, and Marmara Earthquake Study Group.
• Department of Nephrology, Istanbul School of Medicine, Istanbul, Turkey. severm@hotmail.com
• Nephrol. Dial. Transplant. 2002 Jun 1; 17 (6): 1025-31.

BackgroundEarthquakes are major causes of morbidity and mortality. North-western Turkey was struck by a devastating earthquake in August 1999, which caused several thousand deaths. Among the most important morbid events in survivors were acute nephrological problems.MethodsWithin the first week of the disaster, specific questionnaires asking about 63 clinical and laboratory parameters were sent to 35 reference hospitals that were treating the victims. Of the registered 639 victims, 423 were admitted within the first 3 days of the disaster; the admission laboratory data of these 423 patients are the subject of this analysis.ResultsIn the 423 patients (233 males, mean age 31.3+/-14.4 years), time under the rubble was 10.7+/-10.4 h. Mean values at admission were as follows: serum potassium 5.4+/-1.3 mEq/l, creatine phosphokinase 58205+/-77889 IU/l, albumin 2.6+/-0.7 g/dl, phosphorus 5.2+/-1.8 mg/dl, haematocrit 35.0+/-9.3%, leukocyte count 14945+/-6614/mm(3), platelet count 183975+/-134012/mm(3), blood urea nitrogen 55.1+/-28.9 mg/dl, and creatinine 3.9+/-2.3 mg/dl. Serum potassium above 6.5 mEq/l was noted in 91 patients (22.7%), an alarming finding for risk of fatal arrhythmias. Non-survivors were characterized by higher figures of serum potassium (P=0.001), as well as lower haematocrit (P=0.028), platelets (P<0.001), and serum albumin (P=0.003). In a multivariate analysis model of admission laboratory parameters, serum creatinine (P<0.001, o.r.=2.19), potassium (P=0.001, o.r.=3.64), and phosphorus (P=0.004, o.r.=1.78) predicted dialysis needs, whereas serum albumin (P=0.028, o.r.=0.23) and creatinine (P=0.039, o.r.=0.60) were related to mortality.ConclusionsAdmission laboratory data may be useful for predicting dialysis needs and survival chance of disaster victims. High incidences of some life-threatening abnormalities dictate the need for empirical therapy even in the field.

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