1.A comparative study on efficacy and safety of modified partial stapled hemorrhoidopexy versus conventional hemorrhoidectomy: a prospective randomized controlled trial
Tae Gyu KIM ; Chul Seung LEE ; Dong Geun LEE ; Choon Sik CHUNG ; Seung Han KIM ; Sang Hwa YU ; Jeong Eun LEE ; Gwan Cheol LEE ; Dong Woo KANG ; Jeong Sub KIM ; Gyu Young JEONG
Annals of Coloproctology 2025;41(2):145-153
Purpose:
The long-term outcomes and efficacy of partial stapled hemorrhoidopexy (PSH) compared with those of conventional hemorrhoidectomy (CH) are not fully understood. This study aimed to introduce a modified PSH (mPSH) and compare its clinical efficacy and safety with those of CH.
Methods:
A prospective randomized controlled trial was conducted. This study was performed at a single hospital and involved 6 colorectal surgeons. In total, 110 patients were enrolled between July 2019 and September 2020. Patients were randomly assigned to undergo either mPSH group (n=55) or CH group (n=55). The primary outcome was to compare postoperative average pain and postoperative peak pain using visual analog scale score between the 2 groups.
Results:
The required duration of analgesia was shorter in the mPSH group than in the CH group, although the difference was not statistically significant (P=0.096). However, the laxative requirement duration (P<0.010), return to work (P<0.010), satisfaction score (P<0.010), and Vaizey score (P=0.014) were significantly better in the mPSH group. The average and peak postoperative pain scores were significantly lower in the mPSH group during the 15 days after surgery (P<0.001). The overall complication rate in both groups was 9.1%, with no significant difference between the groups (P=0.867).
Conclusion
The mPSH group demonstrated better improvement in symptoms, lower pain scores, and greater patient early satisfaction after surgery than the CH group. Therefore, this surgical technique appears to be a safe and effective alternative for CH.
2.Adiposity Rebound Timing in Small for Gestational Age Children Treated With Growth Hormone: Results From LG Growth Study Data
Ji Hyun KIM ; Su Jin KIM ; In Hyuk CHUNG ; Jung Sub LIM
Journal of Korean Medical Science 2025;40(4):e12-
Background:
Adiposity rebound (AR) refers to the period during growth when the body mass index reaches its lowest point before increasing again. The timing of AR is associated with the development of obesity and puberty onset. Although studies have evaluated AR timing in Korean children, none has focused on children born small for gestational age (SGA).
Methods:
This study analyzed data from a multicenter observational clinical trial (LG Growth Study) to determine AR timing in children born SGA without catch-up growth (CUG) who were treated with growth hormone (GH) therapy. The study also aimed to identify factors associated with AR timing, examine the influence of AR timing on puberty onset, and assess the effectiveness of GH therapy.
Results:
A total of 151 children born SGA without CUG were included. Of them, 15% experienced AR between 4 and 5 years of age, 42% between 5 and 6 years, 27% between 6 and 7 years, and 16% after 7 years of age. A significant positive correlation was noted between the height standard deviation score at the start of treatment and AR timing. However, no significant correlation was observed between AR timing and puberty onset or the effectiveness of GH therapy.
Conclusion
This study provides insights into AR timing in prepubertal children who meet the specific SGA criteria and its relationship with growth outcomes. The findings suggest that AR in children born SGA who do not experience CUG occurs later than in the general population, with no significant relationship between AR timing and puberty onset or growth outcomes.
3.Adiposity Rebound Timing in Small for Gestational Age Children Treated With Growth Hormone: Results From LG Growth Study Data
Ji Hyun KIM ; Su Jin KIM ; In Hyuk CHUNG ; Jung Sub LIM
Journal of Korean Medical Science 2025;40(4):e12-
Background:
Adiposity rebound (AR) refers to the period during growth when the body mass index reaches its lowest point before increasing again. The timing of AR is associated with the development of obesity and puberty onset. Although studies have evaluated AR timing in Korean children, none has focused on children born small for gestational age (SGA).
Methods:
This study analyzed data from a multicenter observational clinical trial (LG Growth Study) to determine AR timing in children born SGA without catch-up growth (CUG) who were treated with growth hormone (GH) therapy. The study also aimed to identify factors associated with AR timing, examine the influence of AR timing on puberty onset, and assess the effectiveness of GH therapy.
Results:
A total of 151 children born SGA without CUG were included. Of them, 15% experienced AR between 4 and 5 years of age, 42% between 5 and 6 years, 27% between 6 and 7 years, and 16% after 7 years of age. A significant positive correlation was noted between the height standard deviation score at the start of treatment and AR timing. However, no significant correlation was observed between AR timing and puberty onset or the effectiveness of GH therapy.
Conclusion
This study provides insights into AR timing in prepubertal children who meet the specific SGA criteria and its relationship with growth outcomes. The findings suggest that AR in children born SGA who do not experience CUG occurs later than in the general population, with no significant relationship between AR timing and puberty onset or growth outcomes.
4.A comparative study on efficacy and safety of modified partial stapled hemorrhoidopexy versus conventional hemorrhoidectomy: a prospective randomized controlled trial
Tae Gyu KIM ; Chul Seung LEE ; Dong Geun LEE ; Choon Sik CHUNG ; Seung Han KIM ; Sang Hwa YU ; Jeong Eun LEE ; Gwan Cheol LEE ; Dong Woo KANG ; Jeong Sub KIM ; Gyu Young JEONG
Annals of Coloproctology 2025;41(2):145-153
Purpose:
The long-term outcomes and efficacy of partial stapled hemorrhoidopexy (PSH) compared with those of conventional hemorrhoidectomy (CH) are not fully understood. This study aimed to introduce a modified PSH (mPSH) and compare its clinical efficacy and safety with those of CH.
Methods:
A prospective randomized controlled trial was conducted. This study was performed at a single hospital and involved 6 colorectal surgeons. In total, 110 patients were enrolled between July 2019 and September 2020. Patients were randomly assigned to undergo either mPSH group (n=55) or CH group (n=55). The primary outcome was to compare postoperative average pain and postoperative peak pain using visual analog scale score between the 2 groups.
Results:
The required duration of analgesia was shorter in the mPSH group than in the CH group, although the difference was not statistically significant (P=0.096). However, the laxative requirement duration (P<0.010), return to work (P<0.010), satisfaction score (P<0.010), and Vaizey score (P=0.014) were significantly better in the mPSH group. The average and peak postoperative pain scores were significantly lower in the mPSH group during the 15 days after surgery (P<0.001). The overall complication rate in both groups was 9.1%, with no significant difference between the groups (P=0.867).
Conclusion
The mPSH group demonstrated better improvement in symptoms, lower pain scores, and greater patient early satisfaction after surgery than the CH group. Therefore, this surgical technique appears to be a safe and effective alternative for CH.
5.A comparative study on efficacy and safety of modified partial stapled hemorrhoidopexy versus conventional hemorrhoidectomy: a prospective randomized controlled trial
Tae Gyu KIM ; Chul Seung LEE ; Dong Geun LEE ; Choon Sik CHUNG ; Seung Han KIM ; Sang Hwa YU ; Jeong Eun LEE ; Gwan Cheol LEE ; Dong Woo KANG ; Jeong Sub KIM ; Gyu Young JEONG
Annals of Coloproctology 2025;41(2):145-153
Purpose:
The long-term outcomes and efficacy of partial stapled hemorrhoidopexy (PSH) compared with those of conventional hemorrhoidectomy (CH) are not fully understood. This study aimed to introduce a modified PSH (mPSH) and compare its clinical efficacy and safety with those of CH.
Methods:
A prospective randomized controlled trial was conducted. This study was performed at a single hospital and involved 6 colorectal surgeons. In total, 110 patients were enrolled between July 2019 and September 2020. Patients were randomly assigned to undergo either mPSH group (n=55) or CH group (n=55). The primary outcome was to compare postoperative average pain and postoperative peak pain using visual analog scale score between the 2 groups.
Results:
The required duration of analgesia was shorter in the mPSH group than in the CH group, although the difference was not statistically significant (P=0.096). However, the laxative requirement duration (P<0.010), return to work (P<0.010), satisfaction score (P<0.010), and Vaizey score (P=0.014) were significantly better in the mPSH group. The average and peak postoperative pain scores were significantly lower in the mPSH group during the 15 days after surgery (P<0.001). The overall complication rate in both groups was 9.1%, with no significant difference between the groups (P=0.867).
Conclusion
The mPSH group demonstrated better improvement in symptoms, lower pain scores, and greater patient early satisfaction after surgery than the CH group. Therefore, this surgical technique appears to be a safe and effective alternative for CH.
6.Adiposity Rebound Timing in Small for Gestational Age Children Treated With Growth Hormone: Results From LG Growth Study Data
Ji Hyun KIM ; Su Jin KIM ; In Hyuk CHUNG ; Jung Sub LIM
Journal of Korean Medical Science 2025;40(4):e12-
Background:
Adiposity rebound (AR) refers to the period during growth when the body mass index reaches its lowest point before increasing again. The timing of AR is associated with the development of obesity and puberty onset. Although studies have evaluated AR timing in Korean children, none has focused on children born small for gestational age (SGA).
Methods:
This study analyzed data from a multicenter observational clinical trial (LG Growth Study) to determine AR timing in children born SGA without catch-up growth (CUG) who were treated with growth hormone (GH) therapy. The study also aimed to identify factors associated with AR timing, examine the influence of AR timing on puberty onset, and assess the effectiveness of GH therapy.
Results:
A total of 151 children born SGA without CUG were included. Of them, 15% experienced AR between 4 and 5 years of age, 42% between 5 and 6 years, 27% between 6 and 7 years, and 16% after 7 years of age. A significant positive correlation was noted between the height standard deviation score at the start of treatment and AR timing. However, no significant correlation was observed between AR timing and puberty onset or the effectiveness of GH therapy.
Conclusion
This study provides insights into AR timing in prepubertal children who meet the specific SGA criteria and its relationship with growth outcomes. The findings suggest that AR in children born SGA who do not experience CUG occurs later than in the general population, with no significant relationship between AR timing and puberty onset or growth outcomes.
7.A comparative study on efficacy and safety of modified partial stapled hemorrhoidopexy versus conventional hemorrhoidectomy: a prospective randomized controlled trial
Tae Gyu KIM ; Chul Seung LEE ; Dong Geun LEE ; Choon Sik CHUNG ; Seung Han KIM ; Sang Hwa YU ; Jeong Eun LEE ; Gwan Cheol LEE ; Dong Woo KANG ; Jeong Sub KIM ; Gyu Young JEONG
Annals of Coloproctology 2025;41(2):145-153
Purpose:
The long-term outcomes and efficacy of partial stapled hemorrhoidopexy (PSH) compared with those of conventional hemorrhoidectomy (CH) are not fully understood. This study aimed to introduce a modified PSH (mPSH) and compare its clinical efficacy and safety with those of CH.
Methods:
A prospective randomized controlled trial was conducted. This study was performed at a single hospital and involved 6 colorectal surgeons. In total, 110 patients were enrolled between July 2019 and September 2020. Patients were randomly assigned to undergo either mPSH group (n=55) or CH group (n=55). The primary outcome was to compare postoperative average pain and postoperative peak pain using visual analog scale score between the 2 groups.
Results:
The required duration of analgesia was shorter in the mPSH group than in the CH group, although the difference was not statistically significant (P=0.096). However, the laxative requirement duration (P<0.010), return to work (P<0.010), satisfaction score (P<0.010), and Vaizey score (P=0.014) were significantly better in the mPSH group. The average and peak postoperative pain scores were significantly lower in the mPSH group during the 15 days after surgery (P<0.001). The overall complication rate in both groups was 9.1%, with no significant difference between the groups (P=0.867).
Conclusion
The mPSH group demonstrated better improvement in symptoms, lower pain scores, and greater patient early satisfaction after surgery than the CH group. Therefore, this surgical technique appears to be a safe and effective alternative for CH.
8.A comparative study on efficacy and safety of modified partial stapled hemorrhoidopexy versus conventional hemorrhoidectomy: a prospective randomized controlled trial
Tae Gyu KIM ; Chul Seung LEE ; Dong Geun LEE ; Choon Sik CHUNG ; Seung Han KIM ; Sang Hwa YU ; Jeong Eun LEE ; Gwan Cheol LEE ; Dong Woo KANG ; Jeong Sub KIM ; Gyu Young JEONG
Annals of Coloproctology 2025;41(2):145-153
Purpose:
The long-term outcomes and efficacy of partial stapled hemorrhoidopexy (PSH) compared with those of conventional hemorrhoidectomy (CH) are not fully understood. This study aimed to introduce a modified PSH (mPSH) and compare its clinical efficacy and safety with those of CH.
Methods:
A prospective randomized controlled trial was conducted. This study was performed at a single hospital and involved 6 colorectal surgeons. In total, 110 patients were enrolled between July 2019 and September 2020. Patients were randomly assigned to undergo either mPSH group (n=55) or CH group (n=55). The primary outcome was to compare postoperative average pain and postoperative peak pain using visual analog scale score between the 2 groups.
Results:
The required duration of analgesia was shorter in the mPSH group than in the CH group, although the difference was not statistically significant (P=0.096). However, the laxative requirement duration (P<0.010), return to work (P<0.010), satisfaction score (P<0.010), and Vaizey score (P=0.014) were significantly better in the mPSH group. The average and peak postoperative pain scores were significantly lower in the mPSH group during the 15 days after surgery (P<0.001). The overall complication rate in both groups was 9.1%, with no significant difference between the groups (P=0.867).
Conclusion
The mPSH group demonstrated better improvement in symptoms, lower pain scores, and greater patient early satisfaction after surgery than the CH group. Therefore, this surgical technique appears to be a safe and effective alternative for CH.
9.Adiposity Rebound Timing in Small for Gestational Age Children Treated With Growth Hormone: Results From LG Growth Study Data
Ji Hyun KIM ; Su Jin KIM ; In Hyuk CHUNG ; Jung Sub LIM
Journal of Korean Medical Science 2025;40(4):e12-
Background:
Adiposity rebound (AR) refers to the period during growth when the body mass index reaches its lowest point before increasing again. The timing of AR is associated with the development of obesity and puberty onset. Although studies have evaluated AR timing in Korean children, none has focused on children born small for gestational age (SGA).
Methods:
This study analyzed data from a multicenter observational clinical trial (LG Growth Study) to determine AR timing in children born SGA without catch-up growth (CUG) who were treated with growth hormone (GH) therapy. The study also aimed to identify factors associated with AR timing, examine the influence of AR timing on puberty onset, and assess the effectiveness of GH therapy.
Results:
A total of 151 children born SGA without CUG were included. Of them, 15% experienced AR between 4 and 5 years of age, 42% between 5 and 6 years, 27% between 6 and 7 years, and 16% after 7 years of age. A significant positive correlation was noted between the height standard deviation score at the start of treatment and AR timing. However, no significant correlation was observed between AR timing and puberty onset or the effectiveness of GH therapy.
Conclusion
This study provides insights into AR timing in prepubertal children who meet the specific SGA criteria and its relationship with growth outcomes. The findings suggest that AR in children born SGA who do not experience CUG occurs later than in the general population, with no significant relationship between AR timing and puberty onset or growth outcomes.
10.Indole Derivatives and a Diketopiperazine from Chromobacterium violaceum
Hye Ryeong KIM ; Gyu Sung LEE ; InWha PARK ; Chung Sub KIM
Natural Product Sciences 2024;30(2):130-134
Three indole derivatives (1–3) and a diketopiperazine (4) were isolated from the ethyl acetate extract of Chromobacterium violaceum. Their structures were elucidated based on the analysis of NMR and HR-MS data and by comparing those in the previous literature. The antibacterial activities of the isolated compounds were evaluated against Gram-positive bacteria, including human pathogenic methicillin-resistant Staphylococcus aureus (MRSA), Lacticaseibacillus paracasei subsp. paracasei, and Brevibacterium epidermidis. Compound 1 exhibited moderate antibacterial activity against all the three strains with MIC values ranging from 8.58 to 34.3 μg/mL.

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