Conclusions Severe systemic disease is not an absolute contraindication for vitrectomy.

结论严重全身疾病不是玻璃体切割手术的绝对禁忌症。

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Severe pulmonary ventilation disorder is the significant cause of giving up surgery, but may be not the absolute contraindication of cardiac surgery.

重度肺功能障碍是放弃手术的重要因素，但可能不是手术的绝对禁忌证。

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Thus the decision for AVR surgery should be made case by case and the absence of CR should not be considered to be an absolute contraindication to AVR.

因此，行主动脉置换外科手术的决定应具体分析，并且收缩储备缺失的患者不应视为主动脉置换术的绝对禁忌症。

youdao

Thus the decision for AVR surgery should be made case by case and the absence of CR should not be considered to be an absolute contraindication to AVR.

因此，行主动脉置换外科手术的决定应具体分析，并且收缩储备缺失的患者不应视为主动脉置换术的绝对禁忌症。

youdao