1.Case-control study of the treatment of postaxial polysyndactyly of the foot: Comparison of surgical results after removal of the fifth or sixth toe
Soo Jin WOO ; Byung Jun KIM ; Sung Tack KWON
Archives of Plastic Surgery 2021;48(1):91-97
Background:
In postaxial polysyndactyly of the foot, the choice of which toe to excise is controversial. It is often treated by resection of the fifth toe to save the lateral neurovascular bundles of the sixth toe. However, the sixth toe is often short and laterally deviated, which may require wedge osteotomy, potentially shortening the phalanx and compromising circulation. This study outlines an individualized method to spare the length and axis of the fifth toe in polysyndactyly with a short and deviated sixth toe.
Methods:
We retrospectively analyzed 38 patients who underwent surgery between 2006 and 2019. The fifth toe was spared in 18 cases, and the sixth toe in 20 cases. The ratios of the forefoot width, angle difference, and toe length were compared between the affected and unaffected sides postoperatively. Complications and subjective judgments on cosmetic results were recorded and compared.
Results:
No significant between-group differences were observed for sex, age at surgery, or the follow-up period. The forefoot width ratio did not significantly differ between the groups. However, the angle difference and toe length ratios showed significantly better results in the fifth toe-spared group than in the sixth toe-spared group (P<0.05 and P<0.01, respectively). There were no cases of impaired circulation, and subjective evaluations revealed satisfactory results in the fifth toe-spared group.
Conclusions
In cases with short and deviated sixth toes, sparing the fifth toe is an effective method of cosmetic treatment. The surgical results were satisfactory, with an improved appearance and no residual deformities.
2.Congenital hand differences: a comprehensive literature review
Jinil CHOI ; Sung Tack KWON ; Byung Jun KIM
Archives of hand and microsurgery 2024;29(1):1-23
Upper extremity anomalies are the second most common type of congenital malformations. Approximately 1% to 3% of newborns are born with congenital anomalies, and among them, roughly 10% have upper extremity anomalies. Congenital hand anomalies are often isolated phenomena but may also coexist with other congenital anomalies or syndromes. These anomalies cause not only aesthetic concerns, but also significant functional deficits and psychological issues for children and their families. Surgeons should conduct a thorough examination to make an accurate diagnosis and provide appropriate treatment or refer the patient to a specialized clinic if necessary. Operative procedures should aim to restore both function and aesthetics. This article reviews the embryology of the hand, the classification of congenital hand anomalies, and the clinical features and treatment of common major congenital hand anomalies.
3.Congenital hand differences: a comprehensive literature review
Jinil CHOI ; Sung Tack KWON ; Byung Jun KIM
Archives of hand and microsurgery 2024;29(1):1-23
Upper extremity anomalies are the second most common type of congenital malformations. Approximately 1% to 3% of newborns are born with congenital anomalies, and among them, roughly 10% have upper extremity anomalies. Congenital hand anomalies are often isolated phenomena but may also coexist with other congenital anomalies or syndromes. These anomalies cause not only aesthetic concerns, but also significant functional deficits and psychological issues for children and their families. Surgeons should conduct a thorough examination to make an accurate diagnosis and provide appropriate treatment or refer the patient to a specialized clinic if necessary. Operative procedures should aim to restore both function and aesthetics. This article reviews the embryology of the hand, the classification of congenital hand anomalies, and the clinical features and treatment of common major congenital hand anomalies.
4.Congenital hand differences: a comprehensive literature review
Jinil CHOI ; Sung Tack KWON ; Byung Jun KIM
Archives of hand and microsurgery 2024;29(1):1-23
Upper extremity anomalies are the second most common type of congenital malformations. Approximately 1% to 3% of newborns are born with congenital anomalies, and among them, roughly 10% have upper extremity anomalies. Congenital hand anomalies are often isolated phenomena but may also coexist with other congenital anomalies or syndromes. These anomalies cause not only aesthetic concerns, but also significant functional deficits and psychological issues for children and their families. Surgeons should conduct a thorough examination to make an accurate diagnosis and provide appropriate treatment or refer the patient to a specialized clinic if necessary. Operative procedures should aim to restore both function and aesthetics. This article reviews the embryology of the hand, the classification of congenital hand anomalies, and the clinical features and treatment of common major congenital hand anomalies.
5.Congenital hand differences: a comprehensive literature review
Jinil CHOI ; Sung Tack KWON ; Byung Jun KIM
Archives of hand and microsurgery 2024;29(1):1-23
Upper extremity anomalies are the second most common type of congenital malformations. Approximately 1% to 3% of newborns are born with congenital anomalies, and among them, roughly 10% have upper extremity anomalies. Congenital hand anomalies are often isolated phenomena but may also coexist with other congenital anomalies or syndromes. These anomalies cause not only aesthetic concerns, but also significant functional deficits and psychological issues for children and their families. Surgeons should conduct a thorough examination to make an accurate diagnosis and provide appropriate treatment or refer the patient to a specialized clinic if necessary. Operative procedures should aim to restore both function and aesthetics. This article reviews the embryology of the hand, the classification of congenital hand anomalies, and the clinical features and treatment of common major congenital hand anomalies.
6.Surgical Treatment of Axial Polysyndactyly and Postaxial Polydactyly of The Hand in Korean: A Clinical Analysis of 24 Cases.
Byung Jun KIM ; Jun Ho CHOI ; Sung Tack KWON
Journal of the Korean Society for Surgery of the Hand 2017;22(1):20-26
PURPOSE: Non-preaxial polydactyly of the hand refers to axial polysyndactyly involving the 2nd, 3rd, or 4th finger and postaxial polydactyly involving the 5th finger. It has a much lower incidence and a higher genetic penetrance than preaxial type. METHODS: Medical records of the patients who had operation for their polydactyly between July 1997 and July 2015 were retrospectively reviewed. The clinical data of the patients were investigated regarding demographics, clinical findings of the involved digits, foot involvement, and genetic penetrance. Through postoperative follow-up based on physical and radiologic examinations, we assessed functional and aesthetic outcomes, postoperative complications, and reoperation rate. RESULTS: Twenty-four patients (17 males and 7 females) underwent surgery for non-preaxial polydactyly of the hand. There were 15 postaxial type polydactyly, and 9 axial type polysyndactyly. Thirteen patients had bilateral involvement (54.2%), while 5 patients (20.8%) were right-sided and 6 patients (25%) were left-sided. In the axial type, 4th finger was the most frequently involved in 8 patients, followed by the 3rd finger in 1 patient. Thirteen patients (54.2%) had concurrent congenital foot anomalies. One patient (4.2%) had a family history of congenital hand anomaly. Patients with axial type polysyndactyly had poorer postoperative outcome than those with postaxial type, regarding reoperation rate. CONCLUSION: Non-preaxial polydactyly is a very rare congenital hand anomaly and the surgical outcome is not always promising especially in the axial type. Therefore, it is necessary to provide a sufficient preoperative counseling and to perform a meticulous surgery.
Counseling
;
Demography
;
Fingers
;
Follow-Up Studies
;
Foot
;
Hand Deformities
;
Hand*
;
Humans
;
Incidence
;
Male
;
Medical Records
;
Penetrance
;
Polydactyly*
;
Postoperative Complications
;
Reoperation
;
Retrospective Studies
;
Syndactyly*
7.Foot Syndactyly: A Clinical and Demographic Analysis.
Jong Ho KIM ; Byung Jun KIM ; Sung Tack KWON
Archives of Plastic Surgery 2016;43(6):559-563
BACKGROUND: Syndactyly of the foot is the second most common congenital foot anomaly. In East Asia, however, no large case study has been reported regarding the clinical features of isolated foot syndactyly. In this study, we report a review of 118 patients during the last 25 years. METHODS: We conducted a chart review of patients who underwent surgical correction for foot syndactyly between January 1990 and December 2014. Operations were performed with a dorsal triangular flap and a full-thickness skin graft. The demographics of included patients and their clinical features were evaluated. Surgical outcomes and complications were analyzed. RESULTS: Among 118 patients with 194 webs (155 feet), 111 patients showed nonsyndromic cases and 7 patients showed syndromic cases. In 80 unilateral cases (72.1%), the second web was the most frequently involved (37.5%), followed by the fourth (30%), the first (15%), the third (15%), the first and second in combination (1.3%), and the second and third in combination (1.3%). Among 31 bilateral cases, 2 cases were asymmetric. Among the remaining 29 symmetric bilateral cases, the second web was the most frequently involved (45.2%), followed by the first (22.6%), and the fourth (6.5%). No specific postoperative complications were observed, except in the case of 1 patient (0.51%) who required a secondary operation to correct web creep. CONCLUSIONS: This retrospective clinical study of 118 patients with both unilateral and bilateral foot syndactyly revealed that the second web was the most frequently involved. In addition, complete division and tension-free wound closure with a full-thickness skin graft of sufficient size showed good postoperative results.
Clinical Study
;
Demography*
;
Far East
;
Foot Deformities, Congenital
;
Foot*
;
Humans
;
Postoperative Complications
;
Retrospective Studies
;
Skin
;
Syndactyly*
;
Transplants
;
Wounds and Injuries
8.Clinical Analysis of Acute Epidural Hematoma.
Chang Jin OH ; Sung Tack KIM ; Jun Seung LEE ; Ik Seung KWON ; Seung Kuan HONG ; Myong Sun MOON
Journal of Korean Neurosurgical Society 1990;19(4):471-480
The authors have analyzed the factors influencing the outcome of the 168 patients with acute epidural hematoma who had been managed in our hospital for 3 years from July 1986 to June 1989. 1) Sex incidence showed that male patients were 4.8 times more commonly affected than females, and the most commonly affected age group was the 3rd decade. 2) The most common cause of injury was motor vehicle accidents. The patients with unknown cause of injury which probably suggested significant delay in starting the clinical managements had a higher mortality rate. 3) The most common site of hematoma was the FTP convexity(63.6%). The patients with diffuse hematoma in the fronto-temporo-parietal region had a high mortality and deteriorated level of consciousness. 4) Skull fractures were not seen only in 9.5% of the patients with acute epidural hematoma. 5) The main factors associated with the higher mortality rate were rapid development of hematoma, pupillary dilatation, low score in Glasgow Coma Scale on arrival, and more midline shifting on brain CT. 6) The patients with concomitant intracranial lesions had a high mortality rate(25.8%), and the patients with acute epidural hematoma alone had a low rate(2%), and the overall mortality rate of the patients with acute epidural hematoma was 11.3%.
Brain
;
Consciousness
;
Dilatation
;
Female
;
Glasgow Coma Scale
;
Hematoma*
;
Humans
;
Incidence
;
Male
;
Mortality
;
Motor Vehicles
;
Skull Fractures
9.Alteration in Cngb1 Expression upon Maternal Immune Activation in a Mouse Model and Its Possible Association with Schizophrenia Susceptibility
Hwayoung LEE ; Sung Wook KANG ; Hyeonjung JEONG ; Jun-Tack KWON ; Young Ock KIM ; Hak-Jae KIM
Clinical Psychopharmacology and Neuroscience 2021;19(4):618-627
Objective:
The cyclic nucleotide-gated channel (Cng) regulates synaptic efficacy in brain neurons by modulating Ca2+ levels in response to changes in cyclic nucleotide concentrations. This study investigated whether the expression of Cng channel, cyclic nucleotide-gated channel subunit beta 1 (Cngb1) exhibited any relationship with the pathophysiology of schizophrenia in an animal model and whether genetic polymorphisms of the human gene were associated with the progression of schizophrenia in a Korean population.
Methods:
We investigated whether Cngb1 expression was related to psychiatric disorders in a mouse model of schizophrenia induced by maternal immune activation. A case-control study was conducted of 275 schizophrenia patients and 410 controls with single-nucleotide polymorphisms (SNPs) in the 5′-near region of CNGB1.
Results:
Cngb1 expression was decreased in the prefrontal cortex in the mouse model. Furthermore, the genotype frequency of a SNP (rs3756314) of CNGB1 was associated with the risk of schizophrenia.
Conclusion
Our results suggest that CNGB1 might be associated with schizophrenia susceptibility and maternal immune activation. Consequently, it is hypothesized that CNGB1 may be involved in the pathophysiology of schizophrenia.
10.Full mouth rehabilitation in osteoporosis patient with loss of teeth and excessive wear
Hyun-Tack KIM ; Myung-Joo KIM ; Young-Jun LIM ; Ho-Beom KWON
The Journal of Korean Academy of Prosthodontics 2022;60(1):63-70
Teeth wear with loss of posterior support often leads to symptoms such as irregular occlusal plane and excessive wear of anterior teeth. In such environment, establishing proper posterior support and harmonious anterior guidance and occlusal plane is recommended. In this case, the patient had excessively worn dentition with loss of posterior support, while denying surgical treatment due to her(his) history of osteoporosis, ibandronate injection, and risk of medication-related osteonecrosis of the jaw (MRONJ). To recover the vertical space needed for prosthetic restoration, full mouth rehabilitation with vertical dimension increase of remaining teeth was decided. Missing teeth in the posterior area were restored with mandibular removable partial denture. The treatment plan was determined through careful diagnosis, and every step of procedures including tooth preparation, provisional phase with the increased vertical dimension, and definitive prosthetic phase were carried out accordingly. Once the treatment was completed, the patient was satisfied functionally and esthetically. Periodic examination of oral hygiene, occlusal stability was conducted.