The primary surgery was performed on (b)(6) 2016.It was reported that the stem fracture occurred, and the patient visited to the hospital on (b)(6) 2019.The patient was forced to live on crutches because unable to walk due to the stem fracture.Therefore, the revision surgery was performed on (b)(6) 2019 by replacing the head (p/n: 136532120), the stem (p/n: 900549210) with the sleeve (p/n: 550501) via eto.The surgery was completed outside a 30 minutes surgical delay.The surgery time was 218 minutes.General anesthesia, incision was about 23cm.Doctor¿s view: the s-rom stem was slightly varus position, but it was within allowable range.If it breaks, this was a problem with the s-rom stem itself.Possible cause: stem insertion in a slightly varus position.No further information is available.
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