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Risk factors for postoperative mortality and morbidities in emergency surgeries

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Abstract

Background

Emergency surgery itself induces high risk for postoperative mortality and morbidities; however, it remains unknown which concomitant pathological conditions of emergency surgeries are causative factors of deteriorating outcomes. This study examined the causal factors of postoperative mortality and morbidity in cases of emergency surgery.

Methods

Patients undergoing emergency surgery from January to December 2007 were enrolled in this retrospective cohort study. Causal relationships were analyzed by stepwise multivariate logistic regression analysis between possible independent factors (sex, age, kind of surgical department, timing of surgery, duration of surgery, blood transfusion, deteriorated consciousness level, shock state, abnormal coagulate state, and history of hypertension, diabetes, ischemic heart disease, chronic obstructive pulmonary disease, renal failure, and anemia) and postoperative mortality or morbidities (failure of removal of tracheal tube after operation, tracheotomy, cerebral infarction, massive hemorrhage, severe hypotension, severe hypoxemia, and severe arrhythmia during or after surgery).

Results

Shock, deteriorated consciousness level, chronic obstructive lung disease, and ischemic heart disease were significant risk factors for mortality (OR 14.2, 7.9, 6.4, and 3.8, respectively), and deteriorated consciousness level, blood transfusion, shock, chronic obstructive lung disease, diabetes, cardiovascular surgery, and operation longer than 2 h were significant risk factors for morbidity (OR 19.1, 3.3, 3.0, 2.5, 2.4, 2.4, and 1.8, respectively).

Conclusion

State of shock, deteriorated consciousness level, chronic obstructive lung disease, ischemic heart disease, hemorrhage requiring blood transfusion, age over 80 years, cardiovascular surgery, surgeries at night, and surgeries of duration more than 2 h cause patients to be strongly susceptible to postoperative mortality or morbidity in emergency surgeries.

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Authors and Affiliations

  1. Department of Anesthesia, Kyoto University Hospital, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan

    Tomonori Matsuyama

  2. Department of Anesthesiology, Japanese Red Cross Society Wakayama Medical Center, 4-20 Komatsubara-dori, Wakayama City, Wakayama, 640-8558, Japan

    Keisuke Fujii & Reiko Nakagawa

  3. Department of Anesthesiology, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8509, Japan

    Hiroshi Iranami

  4. Department of Anesthesiology, Wakayama Rosai Hospital, Kinomoto 93-1, Wakayama City, Wakayama, 640-8505, Japan

    Hiroshi Iranami & Mariko Inoue

  5. Department of Anesthesiology, National Hospital Organization Minami Wakayama Medical Center, Takinai 27-1, Tanabe City, Wakayama, 646-8558, Japan

    Kohei Kawashima

Authors
  1. Tomonori Matsuyama
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  2. Hiroshi Iranami
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  3. Keisuke Fujii
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  4. Mariko Inoue
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  5. Reiko Nakagawa
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  6. Kohei Kawashima
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Corresponding author

Correspondence to Hiroshi Iranami.

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Matsuyama, T., Iranami, H., Fujii, K. et al. Risk factors for postoperative mortality and morbidities in emergency surgeries. J Anesth 27, 838–843 (2013). https://doi.org/10.1007/s00540-013-1639-z

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  • DOI: https://doi.org/10.1007/s00540-013-1639-z

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