Hypophosphatemia and Respiratory Problems After Open Heart Surgery

TAŞÖZ Refik, OĞUZ Mehmet, ERYILMAZ Sadık, AKALIN Hakkı

Ankara Üniversitesi Tıp Fakültesi İbni Sina Hastanesi, Kalp ve Damar Cerrahisi Anabilim Dalı

The incidence of hypophasphatemia and its relation with respiratory problems were investigated in 78 consecutive patients who have undergone open heart surgery. While the patients, whose blood phosphate levels were normal (control group n=37) on the 12th postoperative hour were considered in the I. Group, II.group consisted of 41 patients who had hypophosphatemia.

According to the preoperative phosphate levels of the 78 patients in the study group, 6(7.69%) of them were hypophosphatemic. In the postoperative period, 41 patients (52.57%) were hypophosphatemic (p<0.01). The patients in the hypophosphatemic group were ventilated for 9.8±1.9 hours postoperatively, where as patients in the control group requiired 7.3±1.2 hours mechanical ventilation (p<0.05) We conclude that hypophosphatemia is common after open heart surgery in the immediate postoperative period, and it may be responsible for the problems seen in the postoperative respiratory treatment course.

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