1.Effect of remimazolam on intraoperative hemodynamic stability in patients undergoing cerebrovascular bypass surgery: a prospective randomized controlled trial
Chang-Hoon KOO ; Si Un LEE ; Hyeong-Geun KIM ; Soowon LEE ; Yu Kyung BAE ; Ah-Young OH ; Young-Tae JEON ; Jung-Hee RYU
Korean Journal of Anesthesiology 2025;78(2):148-158
Background:
Maintenance of stable blood pressure (BP) during cerebrovascular bypass surgery is crucial to prevent cerebral ischemia. We compared the effect of remimazolam anesthesia with that of propofol-induced and desflurane-maintained anesthesia on intraoperative hemodynamic stability and the need for vasoactive agents in patients undergoing cerebrovascular bypass surgery.
Methods:
Sixty-five patients were randomized into remimazolam (n = 31, remimazolam-based intravenous anesthesia) and control groups (n = 34, propofol-induced and desflurane-maintained anesthesia). The primary outcome was the occurrence of intraoperative hypotension. The secondary outcomes included hypotension duration, lowest mean BP (MBP), generalized average real variability (ARV) of MBP, and consumption of phenylephrine, norepinephrine, or remifentanil.
Results:
Occurrence rate and duration of hypotension were significantly lower in the remimazolam group (38.7% vs. 73.5%, P = 0.005; 0 [0, 10] vs. 7.5 [1.25, 25] min, P = 0.008). Remimazolam also showed better outcomes for lowest MBP (78 [73, 84] vs. 69.5 [66.25, 75.8] mmHg, P < 0.001) and generalized ARV of MBP (1.42 ± 0.49 vs. 1.66 ± 0.52 mmHg/min, P = 0.036). The remimazolam group required less phenylephrine (20 [0, 65] vs. 100 [60, 130] μg, P < 0.001), less norepinephrine (162 [0, 365.5] vs. 1335 [998.5, 1637.5] μg, P < 0.001), and more remifentanil (1750 [1454.5, 2184.5] vs. 531 [431, 746.5] μg, P < 0.001) than the control group.
Conclusions
Remimazolam anesthesia may provide better hemodynamic stability during cerebrovascular bypass surgery than propofol-induced and desflurane-maintained anesthesia.
2.A Case of Large Temple Defect Reconstruction at the Temple Using Splitted Full Thickness Skin Graft
Chan Ho NA ; Jae Hyeong SEO ; In Ho BAE ; Hoon CHOI ; Bong Seok SHIN ; Min Sung KIM
Korean Journal of Dermatology 2025;63(2):61-63
There are various methods for reconstructing defects caused by Mohs micrographic surgery (MMS). However, there are limits to the reconstruction methods that can be used if the defect is large. An 85-year-old woman presented with a 2.4×2.2 cm hyperkeratotic plaque on her right temple for 2 years. A skin biopsy was performed for a diagnosis. Histopathology confirmed squamous cell carcinoma, and MMS was performed to completely remove the tumor. A total of three MMS stages were performed intraoperatively to confirm margin clear, resulting in a skin defect measuring 5.0×4.5 cm. To reconstruct the large defect, a splitted full thickness skin graft was performed, taking into account the site, size, and function of the defect. Each skin graft was harvested from the submental area and a tie-over bolster dressing was applied to the recipient site. To date, the surgical site has remained free of surgical complications or tumor recurrence.
3.Effect of remimazolam on intraoperative hemodynamic stability in patients undergoing cerebrovascular bypass surgery: a prospective randomized controlled trial
Chang-Hoon KOO ; Si Un LEE ; Hyeong-Geun KIM ; Soowon LEE ; Yu Kyung BAE ; Ah-Young OH ; Young-Tae JEON ; Jung-Hee RYU
Korean Journal of Anesthesiology 2025;78(2):148-158
Background:
Maintenance of stable blood pressure (BP) during cerebrovascular bypass surgery is crucial to prevent cerebral ischemia. We compared the effect of remimazolam anesthesia with that of propofol-induced and desflurane-maintained anesthesia on intraoperative hemodynamic stability and the need for vasoactive agents in patients undergoing cerebrovascular bypass surgery.
Methods:
Sixty-five patients were randomized into remimazolam (n = 31, remimazolam-based intravenous anesthesia) and control groups (n = 34, propofol-induced and desflurane-maintained anesthesia). The primary outcome was the occurrence of intraoperative hypotension. The secondary outcomes included hypotension duration, lowest mean BP (MBP), generalized average real variability (ARV) of MBP, and consumption of phenylephrine, norepinephrine, or remifentanil.
Results:
Occurrence rate and duration of hypotension were significantly lower in the remimazolam group (38.7% vs. 73.5%, P = 0.005; 0 [0, 10] vs. 7.5 [1.25, 25] min, P = 0.008). Remimazolam also showed better outcomes for lowest MBP (78 [73, 84] vs. 69.5 [66.25, 75.8] mmHg, P < 0.001) and generalized ARV of MBP (1.42 ± 0.49 vs. 1.66 ± 0.52 mmHg/min, P = 0.036). The remimazolam group required less phenylephrine (20 [0, 65] vs. 100 [60, 130] μg, P < 0.001), less norepinephrine (162 [0, 365.5] vs. 1335 [998.5, 1637.5] μg, P < 0.001), and more remifentanil (1750 [1454.5, 2184.5] vs. 531 [431, 746.5] μg, P < 0.001) than the control group.
Conclusions
Remimazolam anesthesia may provide better hemodynamic stability during cerebrovascular bypass surgery than propofol-induced and desflurane-maintained anesthesia.
4.A Case of Large Temple Defect Reconstruction at the Temple Using Splitted Full Thickness Skin Graft
Chan Ho NA ; Jae Hyeong SEO ; In Ho BAE ; Hoon CHOI ; Bong Seok SHIN ; Min Sung KIM
Korean Journal of Dermatology 2025;63(2):61-63
There are various methods for reconstructing defects caused by Mohs micrographic surgery (MMS). However, there are limits to the reconstruction methods that can be used if the defect is large. An 85-year-old woman presented with a 2.4×2.2 cm hyperkeratotic plaque on her right temple for 2 years. A skin biopsy was performed for a diagnosis. Histopathology confirmed squamous cell carcinoma, and MMS was performed to completely remove the tumor. A total of three MMS stages were performed intraoperatively to confirm margin clear, resulting in a skin defect measuring 5.0×4.5 cm. To reconstruct the large defect, a splitted full thickness skin graft was performed, taking into account the site, size, and function of the defect. Each skin graft was harvested from the submental area and a tie-over bolster dressing was applied to the recipient site. To date, the surgical site has remained free of surgical complications or tumor recurrence.
5.Effect of remimazolam on intraoperative hemodynamic stability in patients undergoing cerebrovascular bypass surgery: a prospective randomized controlled trial
Chang-Hoon KOO ; Si Un LEE ; Hyeong-Geun KIM ; Soowon LEE ; Yu Kyung BAE ; Ah-Young OH ; Young-Tae JEON ; Jung-Hee RYU
Korean Journal of Anesthesiology 2025;78(2):148-158
Background:
Maintenance of stable blood pressure (BP) during cerebrovascular bypass surgery is crucial to prevent cerebral ischemia. We compared the effect of remimazolam anesthesia with that of propofol-induced and desflurane-maintained anesthesia on intraoperative hemodynamic stability and the need for vasoactive agents in patients undergoing cerebrovascular bypass surgery.
Methods:
Sixty-five patients were randomized into remimazolam (n = 31, remimazolam-based intravenous anesthesia) and control groups (n = 34, propofol-induced and desflurane-maintained anesthesia). The primary outcome was the occurrence of intraoperative hypotension. The secondary outcomes included hypotension duration, lowest mean BP (MBP), generalized average real variability (ARV) of MBP, and consumption of phenylephrine, norepinephrine, or remifentanil.
Results:
Occurrence rate and duration of hypotension were significantly lower in the remimazolam group (38.7% vs. 73.5%, P = 0.005; 0 [0, 10] vs. 7.5 [1.25, 25] min, P = 0.008). Remimazolam also showed better outcomes for lowest MBP (78 [73, 84] vs. 69.5 [66.25, 75.8] mmHg, P < 0.001) and generalized ARV of MBP (1.42 ± 0.49 vs. 1.66 ± 0.52 mmHg/min, P = 0.036). The remimazolam group required less phenylephrine (20 [0, 65] vs. 100 [60, 130] μg, P < 0.001), less norepinephrine (162 [0, 365.5] vs. 1335 [998.5, 1637.5] μg, P < 0.001), and more remifentanil (1750 [1454.5, 2184.5] vs. 531 [431, 746.5] μg, P < 0.001) than the control group.
Conclusions
Remimazolam anesthesia may provide better hemodynamic stability during cerebrovascular bypass surgery than propofol-induced and desflurane-maintained anesthesia.
6.A Case of Large Temple Defect Reconstruction at the Temple Using Splitted Full Thickness Skin Graft
Chan Ho NA ; Jae Hyeong SEO ; In Ho BAE ; Hoon CHOI ; Bong Seok SHIN ; Min Sung KIM
Korean Journal of Dermatology 2025;63(2):61-63
There are various methods for reconstructing defects caused by Mohs micrographic surgery (MMS). However, there are limits to the reconstruction methods that can be used if the defect is large. An 85-year-old woman presented with a 2.4×2.2 cm hyperkeratotic plaque on her right temple for 2 years. A skin biopsy was performed for a diagnosis. Histopathology confirmed squamous cell carcinoma, and MMS was performed to completely remove the tumor. A total of three MMS stages were performed intraoperatively to confirm margin clear, resulting in a skin defect measuring 5.0×4.5 cm. To reconstruct the large defect, a splitted full thickness skin graft was performed, taking into account the site, size, and function of the defect. Each skin graft was harvested from the submental area and a tie-over bolster dressing was applied to the recipient site. To date, the surgical site has remained free of surgical complications or tumor recurrence.
7.Effect of remimazolam on intraoperative hemodynamic stability in patients undergoing cerebrovascular bypass surgery: a prospective randomized controlled trial
Chang-Hoon KOO ; Si Un LEE ; Hyeong-Geun KIM ; Soowon LEE ; Yu Kyung BAE ; Ah-Young OH ; Young-Tae JEON ; Jung-Hee RYU
Korean Journal of Anesthesiology 2025;78(2):148-158
Background:
Maintenance of stable blood pressure (BP) during cerebrovascular bypass surgery is crucial to prevent cerebral ischemia. We compared the effect of remimazolam anesthesia with that of propofol-induced and desflurane-maintained anesthesia on intraoperative hemodynamic stability and the need for vasoactive agents in patients undergoing cerebrovascular bypass surgery.
Methods:
Sixty-five patients were randomized into remimazolam (n = 31, remimazolam-based intravenous anesthesia) and control groups (n = 34, propofol-induced and desflurane-maintained anesthesia). The primary outcome was the occurrence of intraoperative hypotension. The secondary outcomes included hypotension duration, lowest mean BP (MBP), generalized average real variability (ARV) of MBP, and consumption of phenylephrine, norepinephrine, or remifentanil.
Results:
Occurrence rate and duration of hypotension were significantly lower in the remimazolam group (38.7% vs. 73.5%, P = 0.005; 0 [0, 10] vs. 7.5 [1.25, 25] min, P = 0.008). Remimazolam also showed better outcomes for lowest MBP (78 [73, 84] vs. 69.5 [66.25, 75.8] mmHg, P < 0.001) and generalized ARV of MBP (1.42 ± 0.49 vs. 1.66 ± 0.52 mmHg/min, P = 0.036). The remimazolam group required less phenylephrine (20 [0, 65] vs. 100 [60, 130] μg, P < 0.001), less norepinephrine (162 [0, 365.5] vs. 1335 [998.5, 1637.5] μg, P < 0.001), and more remifentanil (1750 [1454.5, 2184.5] vs. 531 [431, 746.5] μg, P < 0.001) than the control group.
Conclusions
Remimazolam anesthesia may provide better hemodynamic stability during cerebrovascular bypass surgery than propofol-induced and desflurane-maintained anesthesia.
8.A Case of Large Temple Defect Reconstruction at the Temple Using Splitted Full Thickness Skin Graft
Chan Ho NA ; Jae Hyeong SEO ; In Ho BAE ; Hoon CHOI ; Bong Seok SHIN ; Min Sung KIM
Korean Journal of Dermatology 2025;63(2):61-63
There are various methods for reconstructing defects caused by Mohs micrographic surgery (MMS). However, there are limits to the reconstruction methods that can be used if the defect is large. An 85-year-old woman presented with a 2.4×2.2 cm hyperkeratotic plaque on her right temple for 2 years. A skin biopsy was performed for a diagnosis. Histopathology confirmed squamous cell carcinoma, and MMS was performed to completely remove the tumor. A total of three MMS stages were performed intraoperatively to confirm margin clear, resulting in a skin defect measuring 5.0×4.5 cm. To reconstruct the large defect, a splitted full thickness skin graft was performed, taking into account the site, size, and function of the defect. Each skin graft was harvested from the submental area and a tie-over bolster dressing was applied to the recipient site. To date, the surgical site has remained free of surgical complications or tumor recurrence.
9.Comparisons of Gluteus Maximus and Hamstring Muscle Activities according to Three Different Sling Locations during Bridge Exercise with Sling in Supine Position
Tae-Hyeong KIM ; Su-Yeon BAE ; In-Cheol JEON
Journal of Korean Physical Therapy 2024;36(1):21-26
Purpose:
The study was undertaken to investigate the electromyographic activities of the gluteus maximus (GM), hamstring (HAM), and multifidus (MF) in three different sling locations during bridge exercise in the supine position.
Methods:
Twenty healthy male subjects participated. An electromyography device was used to measure the muscle activities of the GM, HAM, and MF muscles. Subjects were asked to perform bridge exercises with three different sling locations as follows: 1) Bridge exercise with an ankle sling; BEAS, 2) Bridge exercise with a calf sling; BECS, and 3) Bridge exercise with a knee sling; BEKS in random order. The analysis was conducted using one-way repeated ANOVA and the Bonferroni post hoc. Significance was set at α= 0.01.
Results:
HAM muscle activity was significantly different in the three conditions (BEAS, BECS, BEKS) (adjusted p-value [padj]< 0.01), and HAM muscle activity was significantly smaller during BEKS than during BEAS or BECS (padj < 0.01). Muscle activity ratio (GM/HAM) during BEKS was significantly greater than muscle activity ratios during BEAS or BECS (padj < 0.01).
Conclusion
BEKS is recommended to inhibit HAM muscle activity and improve the GM/HAM muscle activity ratio.
10.Comparisons of Gluteus Maximus and Hamstring Muscle Activities according to Three Different Sling Locations during Bridge Exercise with Sling in Supine Position
Tae-Hyeong KIM ; Su-Yeon BAE ; In-Cheol JEON
Journal of Korean Physical Therapy 2024;36(1):21-26
Purpose:
The study was undertaken to investigate the electromyographic activities of the gluteus maximus (GM), hamstring (HAM), and multifidus (MF) in three different sling locations during bridge exercise in the supine position.
Methods:
Twenty healthy male subjects participated. An electromyography device was used to measure the muscle activities of the GM, HAM, and MF muscles. Subjects were asked to perform bridge exercises with three different sling locations as follows: 1) Bridge exercise with an ankle sling; BEAS, 2) Bridge exercise with a calf sling; BECS, and 3) Bridge exercise with a knee sling; BEKS in random order. The analysis was conducted using one-way repeated ANOVA and the Bonferroni post hoc. Significance was set at α= 0.01.
Results:
HAM muscle activity was significantly different in the three conditions (BEAS, BECS, BEKS) (adjusted p-value [padj]< 0.01), and HAM muscle activity was significantly smaller during BEKS than during BEAS or BECS (padj < 0.01). Muscle activity ratio (GM/HAM) during BEKS was significantly greater than muscle activity ratios during BEAS or BECS (padj < 0.01).
Conclusion
BEKS is recommended to inhibit HAM muscle activity and improve the GM/HAM muscle activity ratio.

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