Combined Direct Posterior Split-Gastrocnemius Approach for the Posterolateral Tibial Plateau Involved Fractures

Figures & data

Figure 1 (A and B) The AO/OTA Classifications and Schatzker Classifications of the patients (cases). (C) Radiological results: The step-offs of joint surfaces on radiograph (P>0.05). (D) The Knee Injury and Osteoarthritis Outcome Score (KOOS) domains. (E) (a and b) A tibial plateau fracture patients with the posterolateral fragment (by CT scan); (c) X-ray film examined 3 days after the operation; d and e. X-ray films examined 12 months after the operation; f. The skin scar of the posterolateral incision.

Abbreviations: ADL, Function in daily living; QOL, knee-related Quality of life.

Table 1 Sample Characteristics

	Total	Approaches
	n=56	AM + DPSGA	AL + DPSGA
Age (years)	51.2 (range, 16–81)	50	–
Male	29	18	11
Female	27	15	12
Mechanisms of Injury
Automobile	19	11	8
Motorcycle	25	14	11
Fallen	8	5	3
Sport-related	4	3	1
OTA/AO Classification
Type B1	2	1	1
Type B2	1	1	0
Type B3	20	9	11
Type C1	8	5	3
Type C2	12	7	5
Type C3	13	10	3
Schatzker Classification
Type II	9	0	9
Type III	3	0	3
Type IV	10	10	0
Type V	10	7	3
Type VI	24	16	8
Time to surgery (days)	7.3 (range, 4–27)	–	–

Abbreviations: AM, anteromedial approach; AL, anterolateral approach; DPSGA, direct posterior split-gastrocnemius approach.