The Combination of Modified Mitchell’s Osteotomy and Shortening Oblique Osteotomy for Patients with Rheumatoid Arthritis: An Analysis of Changes in Plantar Pressure Distribution

Hyunho Lee, Hajime Ishikawa, Tatsuaki Shibuya, Chinatsu Takai, Tetsuya Nemoto, Yumi Nomura, Asami Abe, Hiroshi Otani, Satoshi Ito, Kiyoshi Nakazono, Kaoru Abe, Kazuyoshi Nakanishi and Akira Murasawa
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Hyunho Lee: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Hajime Ishikawa: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Tatsuaki Shibuya: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Chinatsu Takai: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Tetsuya Nemoto: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Yumi Nomura: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Asami Abe: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Hiroshi Otani: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Satoshi Ito: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Kiyoshi Nakazono: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan
Kaoru Abe: Department of Prosthetics, Orthotics and Assistive Technologies, Niigata University of Health and Welfare, Niigata 950-3198, Japan
Kazuyoshi Nakanishi: Department of Orthopaedic Surgery, Nihon University School of Medicine, Tokyo 173-8610, Japan
Akira Murasawa: Department of Rheumatology, Niigata Rheumatic Center, Niigata 957-0054, Japan

IJERPH, 2021, vol. 18, issue 19, 1-11

Abstract: The present study aims to evaluate changes in plantar pressure distribution after joint-preserving surgery for rheumatoid forefoot deformity. A retrospective study was performed on 26 feet of 23 patients with rheumatoid arthritis (RA) who underwent the following surgical combination: modified Mitchell’s osteotomy (mMO) of the first metatarsal and shortening oblique osteotomy of the lateral four metatarsals. Plantar pressure distribution and clinical background parameters were evaluated preoperatively and one year postoperatively. A comparison of preoperative and postoperative values indicated a significant improvement in the visual analog scale, Japanese Society for Surgery of the Foot scale, and radiographic parameters, such as the hallux valgus angle. A significant increase in peak pressure was observed at the first metatarsophalangeal joint (MTPJ) (0.045 vs. 0.082 kg/cm 2 ; p < 0.05) and a significant decrease at the second and third MTPJs (0.081 vs. 0.048 kg/cm 2 ; p < 0.05, 0.097 vs. 0.054 kg/cm 2 ; p < 0.05). While overloading at the lateral metatarsal heads following mMO has been reported in previous studies, no increase in peak pressure at the lateral MTPJs was observed in our study. The results of our study show that this surgical combination can be an effective and beneficial surgical combination for RA patients with mild to moderate joint deformity.

Keywords: forefoot deformity; joint-preserving surgery; rheumatoid arthritis; plantar pressure (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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