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The Journal of the Korean Orthopaedic Association.2018;53(5):453-457. doi:10.4055/jkoa.2018.53.5.453

Kienbock's disease is very rare in pediatrics. The treatment of Kienbock's disease is controversial and depends on an understanding of the natural history of the disease. The methods proposed vary from conservative treatment to surgical treatment such as radial shortening or scaphotrapezoidal joint fixation, but there are few therapeutic guidelines for paediatric Kienbock's disease. We encountered a 14-year-old male with Lichtman stage IIIB disease and treated him with conservative management. We report this rare case of advanced paediatric Kienbock's disease with good clinical results at the 2-year follow-up along with a review of the relevant literature.
Adolescent ; Follow-Up Studies ; Humans ; Joints ; Male ; Natural History ; Osteonecrosis* ; Pediatrics

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Isolated Symptomatic Scapho-Lunate Coalition without Accompanying Anomalies.

Hye Yeon CHOI ; Jeong Hwan KIM ; Hak Jin MIN ; Jae Woo KIM

The Journal of the Korean Orthopaedic Association.2018;53(5):449-452. doi:10.4055/jkoa.2018.53.5.449

A carpal coalition that indicates the fusion of two carpal bones resulting from the failure of differentiation is a rare condition compared to the tarsal coalition. The most common carpal coalition is the luno-triquetral coalition, followed by the capitate-hamate coalition. Most of these coalitions are usually asymptomatic. Thus far, only a few cases of a coalition between the scaphoid and lunate with accompanied anomalies in the ipsilateral hand, such as accessory carpal bone or ray deficiency, have been reported. We present, for the first time, a case of a symptomatic isolated scapho-lunate coalition without any accompanying anomalies.
Carpal Bones ; Hand

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Results of Magnetically Controlled Growing Rods for Early Onset Scoliosis.

Seungjin CHOI ; Hak Sun KIM ; Kyung Soo SUK ; Hwan Mo LEE ; Seong Hwan MOON ; Jae Ho YANG ; Yongjun LEE ; Joong Won HA ; Quen HE

The Journal of the Korean Orthopaedic Association.2018;53(5):443-448. doi:10.4055/jkoa.2018.53.5.443

PURPOSE: To evaluate the first results of surgical treatment using newly developed magnetically controlled growing rods (MCGR) for early onset scoliosis (EOS). MATERIALS AND METHODS: From January 2013 to January 2017, 5 patients, who underwent surgical treatment with MCGR for EOS and were followed for more than one year, were analyzed retrospectively. The demographic and radiology data, including age at surgery, diagnosis, number of lengthening, Cobb angle, T1–S1 length, T1–T12 length, and complications, were analyzed. RESULTS: The mean age of the patients was 6.0±2.7 years old. The subjects were 3 males and 2 females: 2 with neuromuscular scoliosis, 1 with syndromic scoliosis, 1 with idiopathic scoliosis, and 1 with congenital scoliosis. The mean number of lengthening was 9.8±2.9 times and the follow-up was 21.6±5.7 months. The Cobb angle improved from 82.0°±28.5° to 48.3°±28.8° at the last follow-up. The T1–S1 length increased from 283.1±72.7 mm to 342.6±86.3 mm at the last follow-up. The T1–T12 length increased from 163.1±50.5 mm to 202.3±65.5 mm at the last follow-up. One screw loosening complication was encountered and there were no neurological complications. CONCLUSION: The treatment using MCGR for EOS is effective and useful.
Diagnosis ; Female ; Follow-Up Studies ; Humans ; Male ; Retrospective Studies ; Scoliosis*

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Ultrasound-Guided Regional Nerve Block in Below-Knee Amputation.

Jae Hwang SONG ; Chan KANG ; Deuk Soo HWANG ; Dong Hun KANG ; Chang Hyun YOO

The Journal of the Korean Orthopaedic Association.2018;53(5):435-442. doi:10.4055/jkoa.2018.53.5.435

PURPOSE: This study compared the clinical results of an ultrasound (US)-guided regional nerve block with those of general anesthesia in below-knee amputation (BKA) surgery. In addition, the 1-year mortality rate of BKA patients was evaluated in relation to the preoperative comorbidity and postoperative hemoglobin level. MATERIALS AND METHODS: Among 47 patients who underwent BKA between January 2011 and August 2016, 18 patients in the US-guided regional nerve block group (group 1) and 29 patients in the general anesthesia group (group 2) were analyzed retrospectively and compared. For the clinical assessment, the 30-day mortality, 1-year mortality, postoperative hemoglobin level, and postoperative complications of both groups were investigated. The visual analogue scale (VAS) pain scores at postoperative 1, 6, and 12 hours for both groups were evaluated. The 1-year mortality of BKA patients was also evaluated in relation to the preoperative comorbidity and postoperative hemoglobin level (hemoglobin < 7 g/dl). RESULTS: Significant differences in the 30-day mortality were observed between the two groups (p=0.023). Group 1 showed a higher 30-day mortality but the 1-year mortality was similar in both groups (p=0.051). The postoperative hemoglobin level was similar in the two groups (p=0.085). The VAS pain scores for the postoperative 1-hour and 6-hour differed significantly between the two groups (p < 0.001). The VAS pain scores for postoperative 12-hour showed no significant difference (p=0.10). The 1-year mortality rate of both groups was not affected by hypertension, diabetes mellitus, arteriosclerosis obliterans, and postoperative hemoglobin less than 7 g/dl, but was affected by chronic kidney disease (CKD) (Pearson's chi-square=14.39, p < 0.05). CONCLUSION: Although US-guided regional nerve block showed comparable 1-year mortality and postoperative hemoglobin levels compared to general anesthesia in BKA, it showed better results in postoperative 1, 6 hour pain control than general anesthesia. The 1-year mortality of BKA was affected by CKD. Therefore, careful consideration is needed for patients with CKD before undergoing BKA regardless of the anesthetic methods.
Amputation* ; Anesthesia, General ; Arteriosclerosis Obliterans ; Comorbidity ; Diabetes Mellitus ; Humans ; Hypertension ; Mortality ; Nerve Block* ; Postoperative Complications ; Renal Insufficiency, Chronic ; Retrospective Studies ; Ultrasonography

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Meniscal Extrusions on a Non-Traumatic and Young Knee: Magnetic Resonance Imaging Study.

Jae Cheon SIM ; Jong Hyun JEON ; Yi Rak SEO ; Dae Won PARK ; Tae Seok NAM

The Journal of the Korean Orthopaedic Association.2018;53(5):429-434. doi:10.4055/jkoa.2018.53.5.429

PURPOSE: The aim of this study was to assess the size and extrusion of the meniscus in young and non-traumatic knees, especially in Korean males. MATERIALS AND METHODS: The participants (n=91 knees, 77 patients) were consecutive patients observed at an orthopedic outpatient clinic who had another problem unrelated to the knee joint. The patients were excluded from the study if they had a history of trauma and pain on the knee joint. The patients received a magnetic resonance imaging (MRI) scan on the knee joint. The size, extrusion, and extrusion ratio of the meniscus on an MRI scan were evaluated. RESULTS: The mean age of the participants was 21.6±1.1 years (range, 19–24 years). The mean size of the medial meniscus on the coronal plane was 9.0±1.1 mm (range, 7.1–11.9 mm). The extent of extrusion on the coronal plane was 2.0±1.0 mm (range, 0–4.4 mm). The extrusion ratio (extruded size/total size×100) of the medial meniscus on the coronal plane was 22.7%±11.5% (range, 0%–53.7%). The extent of extrusion on the sagittal plane was 1.6±1.1 mm (range, 0–4.0 mm). The extrusion ratio (extruded size/total×100) of the medial meniscus on the sagittal plane was 18.0%±11.9% (range, 0%–40.7%). The incidence of medial meniscal extrusion on the coronal and sagittal plane are 92.3% and 80.2%, respectively. The mean size of lateral meniscus on the coronal plane was 11.1±3.4 mm (range, 7.3–22.9 mm). The extent of extrusion on the sagittal plane was 0.5±0.7 mm (range, 0–2.5 mm). The extrusion ratio of the lateral meniscus on the sagittal plane was 4.0%±6.7% (range, 0%–26.3%). The incidence of lateral meniscal extrusion on the coronal plane was 34.1%. No extrusion of the lateral meniscus was observed on the sagittal plane. CONCLUSION: In young and non-traumatic knees, the extrusion of meniscus was common, especially medial meniscus than lateral meniscus.
Ambulatory Care Facilities ; Humans ; Incidence ; Knee Joint ; Knee* ; Magnetic Resonance Imaging* ; Male ; Menisci, Tibial ; Orthopedics

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Revision Anterior Cruciate Ligament Reconstruction: Analysis of the Causes of Failure, Associated Injuries and Clinical Results.

Yoon Seok YOUM ; Sung Do CHO ; Hye Yong CHO ; Seung Hyun JUNG ; Seung Woo KANG ; Yong Tae JOO

The Journal of the Korean Orthopaedic Association.2018;53(5):421-428. doi:10.4055/jkoa.2018.53.5.421

PURPOSE: The aim of this study was to analyze the causes of failure after a primary anterior cruciate ligament reconstruction (ACLR), associated injuries, and the clinical results of revision ACLR. MATERIALS AND METHODS: This study evaluated 46 patients (46 knees), who were followed at least two years after revision ACLR. The evaluations included the causes of failure after primary ACLR, associated injuries, 2000 International Knee Documentation Committee (IKDC) subjective knee scores, Lachman test, Pivot shift test, and KT-1000 arthrometer measurement. RESULTS: The most common cause of failure was trauma (27 patients, 58.7%) and 19 failures (19 patients, 41.3%) were caused using an inappropriate surgical technique. The associated injuries were meniscus tears in 29 cases (63.0%) and articular cartilage injuries of Outerbridge grade II to IV in 19 cases (41.3%). The IKDC scores, Lachman test, Pivot shift test, and KT-1000 arthrometer measurements were improved significantly at the final follow-up. CONCLUSION: The most common cause of failure after primary ACLR was trauma. One stage revision ACLR resulted in relatively satisfactory stability but less satisfactory clinical function than the primary reconstruction, as reported previously, which is believed to be due to the more associated injuries.
Anterior Cruciate Ligament Reconstruction* ; Anterior Cruciate Ligament* ; Cartilage, Articular ; Follow-Up Studies ; Humans ; Knee ; Tears

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Rotational Long Scarf Osteotomy on Hallux Valgus in Elderly Patients with Osteoporosis.

Il Hyun NAM ; Dae Geun KIM ; Young Hoon LEE ; Dong Hyun LEE ; Young Duk CHOI ; Hee Hyung LEE

The Journal of the Korean Orthopaedic Association.2018;53(5):415-420. doi:10.4055/jkoa.2018.53.5.415

PURPOSE: This paper reports an experience of rotational long scarf osteotomy for elderly patients with a hallux valgus deformity. MATERIALS AND METHODS: From January 2005 to July 2014, 37 cases in 24 patients over 70 years of age, who received rotational long scarf osteotomy for hallux valgus and were followed-up for at least 3 years, were evaluated. The bone mineral density (BMD) was checked in all cases preoperatively. The mean age at surgery was 73.9 years old. The mean follow-up period was 5.1 years. The plantar head fragment was rotated medially to correct the distal metatarsal articular angle (DMAA) and to cross the two cortices to form an “X” shape to prevent troughing. In the operating room, the DMAA was measured before and after rotation of the plantar head fragment. The hallux valgus angle, 1st intermetatarsal angle, range of motion of the first metatarsophalangeal (MTP) joint and American Orthopedic Foot and Ankle Society (AOFAS) score were measured both preoperatively and in the final follow-up. In addition, stress fractures were checked in the routine follow-ups. RESULTS: The average T-score of the preoperative BMD was −3.54. The mean DMAA measured in the operation room was corrected from 24.8° to 6.7°. The 1st intermetatarsal angle was corrected from 17.6° to 6.2° and hallux valgus angle was corrected 36.7° to 6.5°. The average range of motion of the first MTP joint was improved from 37.4° preoperatively to 64.3° in the final follow-up, and the average AOFAS scores were improved from 56.4 preoperatively to 89.2 at the final follow-up. No troughing was observed in any of the patients. In 3 cases, screw fixation failure made an additional screw necessary to obtain stability between the two fragments. No stress fractures were observed at the follow-up. CONCLUSION: The rotational long scarf osteotomy produced the effect of a DMAA correction. The rotational long scarf osteotomy might correct the DMAA and improve the clinical score in elderly hallux valgus patients.
Aged* ; Ankle ; Bone Density ; Congenital Abnormalities ; Follow-Up Studies ; Foot ; Fractures, Stress ; Hallux Valgus* ; Hallux* ; Head ; Humans ; Joints ; Metatarsal Bones ; Operating Rooms ; Orthopedics ; Osteoporosis* ; Osteotomy* ; Range of Motion, Articular

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Evaluation of the Outcomes according to Etiology in the Pediatric Pes Planovalgus after Lateral Column Lengthening: By Radiologic and Pedobarographic Measurements.

Won Gyun LEE ; Sung Taek JUNG

The Journal of the Korean Orthopaedic Association.2018;53(5):407-414. doi:10.4055/jkoa.2018.53.5.407

PURPOSE: Pes planovalgus is one of the most common foot deformities among pediatric orthopedic diseases and is divided into idiopathic and neuromuscular planovalgus according to its etiology. This study evaluated the radiologic and pedobarographic outcomes of the treatment for pes planovalgus in children treated with lateral column lengthening, compared the outcomes according to the etiology, and investigated the correlation between the radiologic and pedobarographic findings. MATERIALS AND METHODS: Sixty-three patients (97 feet), who underwent lateral column lengthening, were divided into groups of 30 patients (47 feet) with neuromuscular disease and 33 patients (50 feet) with idiopathic etiology. The preoperative, immediately postoperative, 1 year, and 3 year follow-up radiographic measurements on the plain radiograph antero-posterior (AP) and lateral view were compared. In pedobarography, the foot pressures were subdivided into 4 areas to measure the contact time, contact area, peak pressure, and maximum force. The pre- and postoperative pedobarographic measurements were compared and the correlations between the radiographic and pedobarographic measurements were evaluated. RESULTS: The radiographic index at the 1st postoperative year and 3rd postoperative follow-up did not show significant differences according to the etiology. In pedobarography, idiopathic planovalgus showed a significant increase in the maximum force in the hindfoot and forefoot. The correlation between the radiologic findings and pedobarographic findings was statistically significant between the tibiocalcaneal angle in the lateral view and the maximum force, and the contact area of hindfoot on pedobarography, between tibiocalcaneal angle in the lateral view and the contact area of the toes in idiopathic planovalgus. In neuromuscular planovalgus, the peak pressure in the hindfoot had a strong negative correlation with talonavicular coverage angle in the AP view and talo-1st metatarsal angle, and the talohorizontal angle in the lateral view. CONCLUSION: Lateral column lengthening is an effective surgical procedure for flatfoot patients. On the other hand, the radiographic examination has limitations for accurate assessments of the postoperative results and prognosis. Qualitative and quantitative evaluations are available by pedobarography and it is a useful instrument for an evaluation of planovalgus when used in conjunction with radiography.
Child ; Evaluation Studies as Topic ; Flatfoot ; Follow-Up Studies ; Foot ; Foot Deformities ; Hand ; Humans ; Metatarsal Bones ; Neuromuscular Diseases ; Orthopedics ; Prognosis ; Radiography ; Toes

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Extracorporeal Shock Wave Therapy in Musculoskeletal Disorders.

Jae Kwang YUM ; Sang Jun AHN

The Journal of the Korean Orthopaedic Association.2018;53(5):400-406. doi:10.4055/jkoa.2018.53.5.400

The sources of shockwave generation include electrohydraulic, electromagnetic and piezoelectric principles, and extracorporeal shock wave therapy (ESWT) appears to have mechanical and biological effects on tissue healing. The application of ESWT to musculoskeletal disorders has been around for more than a decade and is used primarily in the treatment of calcific or non-calcific tendinitis of the shoulder, lateral and medial epicondylitis of the elbow, patellar tendinopathy, Achilles tendinitis or proximal plantar fasciitis of the heel, myofascial pain syndrome, etc. ESWT is also used in the treatment of delayed union or non-union of long bone fractures, avascular necrosis of the femoral head, and chronic diabetic ulcers. The vast majority of papers have reported positive and beneficial effects with few complications. The clinical application of ESWT has increased steadily. This article reviews the current status of ESWT in musculoskeletal disorders.
Elbow ; Fasciitis, Plantar ; Fractures, Bone ; Head ; Heel ; Magnets ; Musculoskeletal Diseases ; Myofascial Pain Syndromes ; Necrosis ; Shock* ; Shoulder ; Tendinopathy ; Ulcer

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Prolotherapy.

Sang Ho MOON ; Song LEE ; Dae Kyung BAE

The Journal of the Korean Orthopaedic Association.2018;53(5):393-399. doi:10.4055/jkoa.2018.53.5.393

Prolotherapy is defined as “the rehabilitation of an incompetent structure such as ligament or tendon by induced proliferation of new cells” in the dictionary. It may include any treatment promoting the proliferation of new cells such as stem cell therapy. Traditionally, prolotherapy has been thought of as a method of strengthening a lax ligament by injecting various types of sclerosing or proliferant solutions which have commonly included hypertonic dextrose. And this therapy should involve the process of injecting solutions at the enthesis, where tendons and ligaments attach to the bone, to cause an inflammatory reaction. This inflammation initiates the regeneration and repair processes of the injured tissue in and around the joint to promote tissue proliferation and growth. Therefore, the method of prolotherapy includes the injection of small volumes of an irritant solution at painful ligament and tendon insertion sites over several treatment sessions. Because prolotherapy is a treatment modality that may provide a solution to a patient who complains of enthesopathic pain symptoms, it may be beneficial prior to long-term medication treatment or surgical intervention. Despite controversies over prolotherapy, its usage appears to be increasing gradually. This article discusses the current state of knowledge on prolotherapy and informs it to the physicians who manage the musculoskeletal pains.
Glucose ; Humans ; Inflammation ; Joints ; Ligaments ; Methods ; Musculoskeletal Pain ; Regeneration ; Rehabilitation ; Stem Cells ; Tendons

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