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Foot Ankle Int. 2012 Feb;33(2):122-7. doi: 10.3113/FAI.2012.0122.

Midterm outcome of modified Kidner procedure.

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  • 1Department of Orthopedic Surgery, Cheju Halla General Hospital, Jeju, Korea.



The results of modified Kidner procedures have generally been satisfactory at short-term followup. The objective of this study was to evaluate the midterm followup results including medial longitudinal arch height.


Forty-one patients (50 feet) with a symptomatic accessory navicular who underwent the modified Kidner procedure between July 1999 and February 2004 were evaluated. A midfoot AOFAS score, VAS score, and satisfaction rate were recorded. The talo-first metatarsal (T-MT1), talo-calcaneal (TC), and calcaneal pitch (CP) angles were measured on plain radiographs. Average clinical and radiological followup periods were 88.4 ±17.0 months and 85.7 ±15.0 months, respectively.


The mean preoperative and followup AOFAS scores were 40.8 ±7.1 (range, 32 to 57), and 88.4 ±7.9 (range, 72 to 100), respectively (p < 0.01). The mean preoperative and followup VAS scores were 7.1 ±1.0 (range, 4 to 9) and 1.8 ±1.0 (range, 0 to 5), respectively (p < 0.01). At last followup , the satisfaction rate was 82.0%. There were no significant differences between preoperative and followup T-MT1 (p = 1.00), TC (p = 0.84), and CP (p = 0.08) angles. Increased medial longitudinal arch was found in four of 16 feet in patients 15 years of age or younger with followup radiographs.


We found the modified Kidner procedure could result in symptomatic relief and high satisfaction rate without a loss of arch height in any patient.

[PubMed - indexed for MEDLINE]
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