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Table 5 The intervention characteristics of the control studies

From: Vascularized pedicle iliac bone grafts as a hip-preserving surgery for femur head necrosis: a systematic review

Year/author

Indications/contraindication

Kinds of pedicle bone flap

Size of bone flap (cm)

Duration of the operation (minutes)

Postoperative management

Additional note

TIG

Other

TIG

Other

TIG

Other

TIG

Other

TIG

Other

2016/Zhaoa [21]

NA

Ascending branch of the lateral femoral circumflex artery pedicle bone flap

5 × 3

5 × 3

NA

NA

NA

NA

Bone flap was fixed by absorbable screw

–

2006/Yenb [22]

Steinberg II, III, IV

Stage

NA

NA

NA

NA

210

420

NA

NA

–

–

2003/Hasegawac [23]

TIG: Ficat II stage and JIC IC or II type

Other: Ficat III stage or above, and JIC IC or II type, and the necrosis area < 36% in frog lateral view

Superficial circumflex iliac artery pedicle bone flap

–

NA

–

NA

NA

Exercises were started in the third week after the operation. At 12 weeks partial weight-bearing (10 kg) and at 24 weeks full weight-bearing were allowed.

–

–

  1. TIG target intervention group, other other treatments as a control group for target intervention group, NA not available
  2. aTIG refers to the Mg screw group (vascularized bone grafting fixed by Mg screws), and other treatments refer to vascularized bone grafting without fixation as a control group
  3. bTIG refers to vascularized iliac pedicle bone grafting, and other treatments refers to free vascularized fibula bone grafting
  4. cTIG refers to vascularized iliac pedicle bone grafting, and other treatments refer to transtrochanteric rotational osteotomy