1.Relationship Between Brain-Derived Neurotrophic Factor and Cognitive Function in Methamphetamine-Dependent Patients
Hwallip BAE ; Sung-Doo WON ; Jiyoun KIM ; Hye-Jin SEO ; Changwoo HAN
Psychiatry Investigation 2025;22(3):252-257
Objective:
Methamphetamine (METH) is a neurotoxic substance that can induce neurodegeneration in the human brain. Consequently chronic METH use can affect the cognitive functions in METH-dependent patients. In this study, we aimed to identify the relationship between cognitive function and brain-derived neurotrophic factor (BDNF), which reflects the status of neuroadaptive changes, by characterizing the effects on the cognitive function of METH-dependent patients.
Methods:
A total of 38 METH-dependent patients participated in this study. BDNF levels were measured using the enzyme-linked immunosorbent assay. We also examined the clinical features based on the measurements of the Consortium to Establish a Registry for Alzheimer’s Disease-Korean version (CERAD-K). Finally, the relationships between various parts of CERAD-K and BDNF were compared with one another.
Results:
METH-dependent patients were able to conduct most parts of CERAD-K stably. Among the parts of CERAD-K, only trail-making test part B was correlated with BDNF.
Conclusion
The trail-making test is specific for evaluating executive function; therefore, BDNF may play an essential role in detecting neurocognitive functional decline in METH dependence.
2.Relationship Between Brain-Derived Neurotrophic Factor and Cognitive Function in Methamphetamine-Dependent Patients
Hwallip BAE ; Sung-Doo WON ; Jiyoun KIM ; Hye-Jin SEO ; Changwoo HAN
Psychiatry Investigation 2025;22(3):252-257
Objective:
Methamphetamine (METH) is a neurotoxic substance that can induce neurodegeneration in the human brain. Consequently chronic METH use can affect the cognitive functions in METH-dependent patients. In this study, we aimed to identify the relationship between cognitive function and brain-derived neurotrophic factor (BDNF), which reflects the status of neuroadaptive changes, by characterizing the effects on the cognitive function of METH-dependent patients.
Methods:
A total of 38 METH-dependent patients participated in this study. BDNF levels were measured using the enzyme-linked immunosorbent assay. We also examined the clinical features based on the measurements of the Consortium to Establish a Registry for Alzheimer’s Disease-Korean version (CERAD-K). Finally, the relationships between various parts of CERAD-K and BDNF were compared with one another.
Results:
METH-dependent patients were able to conduct most parts of CERAD-K stably. Among the parts of CERAD-K, only trail-making test part B was correlated with BDNF.
Conclusion
The trail-making test is specific for evaluating executive function; therefore, BDNF may play an essential role in detecting neurocognitive functional decline in METH dependence.
3.Relationship Between Brain-Derived Neurotrophic Factor and Cognitive Function in Methamphetamine-Dependent Patients
Hwallip BAE ; Sung-Doo WON ; Jiyoun KIM ; Hye-Jin SEO ; Changwoo HAN
Psychiatry Investigation 2025;22(3):252-257
Objective:
Methamphetamine (METH) is a neurotoxic substance that can induce neurodegeneration in the human brain. Consequently chronic METH use can affect the cognitive functions in METH-dependent patients. In this study, we aimed to identify the relationship between cognitive function and brain-derived neurotrophic factor (BDNF), which reflects the status of neuroadaptive changes, by characterizing the effects on the cognitive function of METH-dependent patients.
Methods:
A total of 38 METH-dependent patients participated in this study. BDNF levels were measured using the enzyme-linked immunosorbent assay. We also examined the clinical features based on the measurements of the Consortium to Establish a Registry for Alzheimer’s Disease-Korean version (CERAD-K). Finally, the relationships between various parts of CERAD-K and BDNF were compared with one another.
Results:
METH-dependent patients were able to conduct most parts of CERAD-K stably. Among the parts of CERAD-K, only trail-making test part B was correlated with BDNF.
Conclusion
The trail-making test is specific for evaluating executive function; therefore, BDNF may play an essential role in detecting neurocognitive functional decline in METH dependence.
4.Combined Treatment of Negative Pressure Wound Therapy and Temporary Tension Suture for Intractable Hindfoot Ulcer with Chronic Osteomyelitis: A Case Report
Jiyoun KIM ; Jong Hwan YUN ; Jihun KANG
Journal of Korean Foot and Ankle Society 2025;29(1):41-45
The heel is the second most common area for pressure injuries, which can lead to serious and threatening extremity infections. The late stages of deep hindfoot ulcers, where osteomyelitis commonly coexists, can result in an extended therapeutic window. Standard treatments for hindfoot ulcers complicated by osteomyelitis encompass debridement and flap surgery. In severe cases, below-knee amputation is also considered. Recent studies have reported the efficacy of negative pressure wound therapy (NPWT) in addressing refractory foot ulcers. The authors developed a temporary tension suture (TTS) in combination with NPWT to shorten the treatment duration of refractory foot ulcers, providing additional appropriate tension for wound coverage. The authors report for the first time a case of a 73-year-old female patient who had been experiencing an intractable hindfoot ulcer with chronic osteomyelitis for 18 months. NPWT and TTSs were applied concurrently with favorable outcomes.
5.Combined Treatment of Negative Pressure Wound Therapy and Temporary Tension Suture for Intractable Hindfoot Ulcer with Chronic Osteomyelitis: A Case Report
Jiyoun KIM ; Jong Hwan YUN ; Jihun KANG
Journal of Korean Foot and Ankle Society 2025;29(1):41-45
The heel is the second most common area for pressure injuries, which can lead to serious and threatening extremity infections. The late stages of deep hindfoot ulcers, where osteomyelitis commonly coexists, can result in an extended therapeutic window. Standard treatments for hindfoot ulcers complicated by osteomyelitis encompass debridement and flap surgery. In severe cases, below-knee amputation is also considered. Recent studies have reported the efficacy of negative pressure wound therapy (NPWT) in addressing refractory foot ulcers. The authors developed a temporary tension suture (TTS) in combination with NPWT to shorten the treatment duration of refractory foot ulcers, providing additional appropriate tension for wound coverage. The authors report for the first time a case of a 73-year-old female patient who had been experiencing an intractable hindfoot ulcer with chronic osteomyelitis for 18 months. NPWT and TTSs were applied concurrently with favorable outcomes.
6.Combined Treatment of Negative Pressure Wound Therapy and Temporary Tension Suture for Intractable Hindfoot Ulcer with Chronic Osteomyelitis: A Case Report
Jiyoun KIM ; Jong Hwan YUN ; Jihun KANG
Journal of Korean Foot and Ankle Society 2025;29(1):41-45
The heel is the second most common area for pressure injuries, which can lead to serious and threatening extremity infections. The late stages of deep hindfoot ulcers, where osteomyelitis commonly coexists, can result in an extended therapeutic window. Standard treatments for hindfoot ulcers complicated by osteomyelitis encompass debridement and flap surgery. In severe cases, below-knee amputation is also considered. Recent studies have reported the efficacy of negative pressure wound therapy (NPWT) in addressing refractory foot ulcers. The authors developed a temporary tension suture (TTS) in combination with NPWT to shorten the treatment duration of refractory foot ulcers, providing additional appropriate tension for wound coverage. The authors report for the first time a case of a 73-year-old female patient who had been experiencing an intractable hindfoot ulcer with chronic osteomyelitis for 18 months. NPWT and TTSs were applied concurrently with favorable outcomes.
7.Relationship Between Brain-Derived Neurotrophic Factor and Cognitive Function in Methamphetamine-Dependent Patients
Hwallip BAE ; Sung-Doo WON ; Jiyoun KIM ; Hye-Jin SEO ; Changwoo HAN
Psychiatry Investigation 2025;22(3):252-257
Objective:
Methamphetamine (METH) is a neurotoxic substance that can induce neurodegeneration in the human brain. Consequently chronic METH use can affect the cognitive functions in METH-dependent patients. In this study, we aimed to identify the relationship between cognitive function and brain-derived neurotrophic factor (BDNF), which reflects the status of neuroadaptive changes, by characterizing the effects on the cognitive function of METH-dependent patients.
Methods:
A total of 38 METH-dependent patients participated in this study. BDNF levels were measured using the enzyme-linked immunosorbent assay. We also examined the clinical features based on the measurements of the Consortium to Establish a Registry for Alzheimer’s Disease-Korean version (CERAD-K). Finally, the relationships between various parts of CERAD-K and BDNF were compared with one another.
Results:
METH-dependent patients were able to conduct most parts of CERAD-K stably. Among the parts of CERAD-K, only trail-making test part B was correlated with BDNF.
Conclusion
The trail-making test is specific for evaluating executive function; therefore, BDNF may play an essential role in detecting neurocognitive functional decline in METH dependence.
8.Combined Treatment of Negative Pressure Wound Therapy and Temporary Tension Suture for Intractable Hindfoot Ulcer with Chronic Osteomyelitis: A Case Report
Jiyoun KIM ; Jong Hwan YUN ; Jihun KANG
Journal of Korean Foot and Ankle Society 2025;29(1):41-45
The heel is the second most common area for pressure injuries, which can lead to serious and threatening extremity infections. The late stages of deep hindfoot ulcers, where osteomyelitis commonly coexists, can result in an extended therapeutic window. Standard treatments for hindfoot ulcers complicated by osteomyelitis encompass debridement and flap surgery. In severe cases, below-knee amputation is also considered. Recent studies have reported the efficacy of negative pressure wound therapy (NPWT) in addressing refractory foot ulcers. The authors developed a temporary tension suture (TTS) in combination with NPWT to shorten the treatment duration of refractory foot ulcers, providing additional appropriate tension for wound coverage. The authors report for the first time a case of a 73-year-old female patient who had been experiencing an intractable hindfoot ulcer with chronic osteomyelitis for 18 months. NPWT and TTSs were applied concurrently with favorable outcomes.
9.Relationship Between Brain-Derived Neurotrophic Factor and Cognitive Function in Methamphetamine-Dependent Patients
Hwallip BAE ; Sung-Doo WON ; Jiyoun KIM ; Hye-Jin SEO ; Changwoo HAN
Psychiatry Investigation 2025;22(3):252-257
Objective:
Methamphetamine (METH) is a neurotoxic substance that can induce neurodegeneration in the human brain. Consequently chronic METH use can affect the cognitive functions in METH-dependent patients. In this study, we aimed to identify the relationship between cognitive function and brain-derived neurotrophic factor (BDNF), which reflects the status of neuroadaptive changes, by characterizing the effects on the cognitive function of METH-dependent patients.
Methods:
A total of 38 METH-dependent patients participated in this study. BDNF levels were measured using the enzyme-linked immunosorbent assay. We also examined the clinical features based on the measurements of the Consortium to Establish a Registry for Alzheimer’s Disease-Korean version (CERAD-K). Finally, the relationships between various parts of CERAD-K and BDNF were compared with one another.
Results:
METH-dependent patients were able to conduct most parts of CERAD-K stably. Among the parts of CERAD-K, only trail-making test part B was correlated with BDNF.
Conclusion
The trail-making test is specific for evaluating executive function; therefore, BDNF may play an essential role in detecting neurocognitive functional decline in METH dependence.
10.Is Surgical Treatment Necessary for the Treatment of a Jones Fracture?: A Retrospective Study
Changsu KIM ; Dong Young SHIN ; Jiyoun KIM
Clinics in Orthopedic Surgery 2024;16(2):335-341
Background:
Jones fractures are common injuries that can be treated conservatively or surgically. However, the optimal treatment approach remains controversial. This study aimed to compare the clinical outcomes of conservative and operative treatments for Jones fractures and determine whether surgical treatment is necessary.
Methods:
A retrospective study was conducted on 69 patients with Jones fractures treated at our hospital. The patients were divided into 2 groups: conservative (C group; n = 46) and operative (O group; n = 23) treatments. Patients were followed up after 2, 6, and 12 weeks, and every 3 months thereafter. However, outpatient follow-ups were conducted between 8 and 10 weeks as needed. The mean follow-up period was 14.5 weeks (range, 12–24 weeks). In group C, the patients were treated with a non-weightbearing cast for 4–6 weeks, followed by additional weight-bearing boot immobilization before returning to exercise. In group O, patients were treated surgically using a bicortical screw or intramedullary internal fixation. Time to radiologic union, clinical union, return to sports, visual analog scale (VAS), Foot Function Index-Revised Short Form (FFI-RS), and American Orthopedic Foot and Ankle Society (AOFAS) scores were evaluated.
Results:
Sixty-nine patients were included in the analysis. There were statistically significant differences in the time to radiologic union and return to sports, VAS score in the second week, and FFI-RS score in the 12th week. In group C, favorable outcomes were observed in terms of the time to return to sports, VAS score in the second week, and FFI-RS score in the 12th week. Contrastingly, in group O, better results were observed in time to radiologic union. The AOFAS score was excellent at the final follow-up, with no significant differences between groups. Complication rates were 10.8% and 13% in groups C and O, respectively.
Conclusions
Surgical treatment is sometimes necessary for Jones fractures, but conservative treatment should also be considered because of the favorable outcomes. Conservative treatment can be a good option for patients who are risk-averse and place a high value on fracture healing without surgery.

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