Table 3: Complications.

Local	Systemic
Flexion contracture [4, 5]	Neurological: confusion [6]
Extensor mechanism disturbances [4, 5] (quadriceps tendon rupture)	Gastrointestinal: postoperative ileus [5]
Patellar fracture [5], patella subluxation [6]	Pulmonary: respiratory tract infections [6], pulmonary embolism [5].
Wound necrosis [4, 6]	Renal: uremia [4]
Surgical site infection and deep infection [6]	Vascular: deep vein thrombosis [6]
Recurrrent posterior tibial dislocation [17]	Genitourinary: urinary retention [6] and urinary tract infections.
	Increased mortality and hospital stay [8]