1.Can It be Said that this Case Confirmed the Phenomenon of Subacromial Suture Knot Impingement after Arthroscopic Rotator Cuff Repair?: A Case Report
Sung Hwan KIM ; Seung Won CHOI ; Sin Hyung PARK ; Yong Bok PARK
The Korean Journal of Sports Medicine 2025;43(1):41-45
Rotator cuff tears are common shoulder injuries, particularly in older adults. Arthroscopic rotator cuff repair (ARCR) is the preferred treatment due to its successful outcomes, but complications like suture knot impingement may arise.Knot impingement, although rare, can lead to subacromial bone erosion and persistent pain. The condition remains under-reported, and direct evidence linking knot impingement to subacromial erosion is scarce. A 63-year-old woman presented with progressively worsening shoulder pain and restricted range of motion, 10 years after undergoing ARCR. Clinical assessment indicated subacromial impingement with positive Neer, Hawkins test results and reduced shoulder mobility. Arthroscopic evaluation revealed suture knots embedded in the subacromial bone, directly causing erosion. This is the first case to confirm through arthroscopy that subacromial bone erosion resulted from knot impingement. This case emphasizes the importance of follow-up and highlights the need to consider alternative suture techniques to avoid complications like knot impingement. Surgeons should be vigilant in minimizing risks associated with suture materials and techniques to improve long-term outcomes for patients undergoing ARCR.
2.Can It be Said that this Case Confirmed the Phenomenon of Subacromial Suture Knot Impingement after Arthroscopic Rotator Cuff Repair?: A Case Report
Sung Hwan KIM ; Seung Won CHOI ; Sin Hyung PARK ; Yong Bok PARK
The Korean Journal of Sports Medicine 2025;43(1):41-45
Rotator cuff tears are common shoulder injuries, particularly in older adults. Arthroscopic rotator cuff repair (ARCR) is the preferred treatment due to its successful outcomes, but complications like suture knot impingement may arise.Knot impingement, although rare, can lead to subacromial bone erosion and persistent pain. The condition remains under-reported, and direct evidence linking knot impingement to subacromial erosion is scarce. A 63-year-old woman presented with progressively worsening shoulder pain and restricted range of motion, 10 years after undergoing ARCR. Clinical assessment indicated subacromial impingement with positive Neer, Hawkins test results and reduced shoulder mobility. Arthroscopic evaluation revealed suture knots embedded in the subacromial bone, directly causing erosion. This is the first case to confirm through arthroscopy that subacromial bone erosion resulted from knot impingement. This case emphasizes the importance of follow-up and highlights the need to consider alternative suture techniques to avoid complications like knot impingement. Surgeons should be vigilant in minimizing risks associated with suture materials and techniques to improve long-term outcomes for patients undergoing ARCR.
3.Study Design and Protocol for a Randomized Controlled Trial of Enavogliflozin to Evaluate Cardiorenal Outcomes in Type 2 Diabetes (ENVELOP)
Nam Hoon KIM ; Soo LIM ; In-Kyung JEONG ; Eun-Jung RHEE ; Jun Sung MOON ; Ohk-Hyun RYU ; Hyuk-Sang KWON ; Jong Chul WON ; Sang Soo KIM ; Sang Yong KIM ; Bon Jeong KU ; Heung Yong JIN ; Sin Gon KIM ; Bong-Soo CHA ;
Diabetes & Metabolism Journal 2025;49(2):225-234
Background:
The novel sodium-glucose cotransporter-2 (SGLT2) inhibitor enavogliflozin effectively lowers glycosylated hemoglobin levels and body weights without the increased risk of serious adverse events; however, the long-term clinical benefits of enavogliflozin in terms of cardiovascular and renal outcomes have not been investigated.
Methods:
This study is an investigator-initiated, multicenter, randomized, pragmatic, open-label, active-controlled, non-inferiority trial. Eligible participants are adults (aged ≥19 years) with type 2 diabetes mellitus (T2DM) who have a history of, or are at risk of, cardiovascular disease. A total of 2,862 participants will be randomly assigned to receive either enavogliflozin or other SGLT2 inhibitors with proven cardiorenal benefits, such as dapagliflozin or empagliflozin. The primary endpoint is the time to the first occurrence of a composite of major adverse cardiovascular or renal events (Clinical Research Information Service registration number: KCT0009243).
Conclusion
This trial will determine whether enavogliflozin is non-inferior to dapagliflozin or empagliflozin in terms of cardiorenal outcomes in patients with T2DM and cardiovascular risk factors. This study will elucidate the role of enavogliflozin in preventing vascular complications in patients with T2DM.
4.Study Design and Protocol for a Randomized Controlled Trial of Enavogliflozin to Evaluate Cardiorenal Outcomes in Type 2 Diabetes (ENVELOP)
Nam Hoon KIM ; Soo LIM ; In-Kyung JEONG ; Eun-Jung RHEE ; Jun Sung MOON ; Ohk-Hyun RYU ; Hyuk-Sang KWON ; Jong Chul WON ; Sang Soo KIM ; Sang Yong KIM ; Bon Jeong KU ; Heung Yong JIN ; Sin Gon KIM ; Bong-Soo CHA ;
Diabetes & Metabolism Journal 2025;49(2):225-234
Background:
The novel sodium-glucose cotransporter-2 (SGLT2) inhibitor enavogliflozin effectively lowers glycosylated hemoglobin levels and body weights without the increased risk of serious adverse events; however, the long-term clinical benefits of enavogliflozin in terms of cardiovascular and renal outcomes have not been investigated.
Methods:
This study is an investigator-initiated, multicenter, randomized, pragmatic, open-label, active-controlled, non-inferiority trial. Eligible participants are adults (aged ≥19 years) with type 2 diabetes mellitus (T2DM) who have a history of, or are at risk of, cardiovascular disease. A total of 2,862 participants will be randomly assigned to receive either enavogliflozin or other SGLT2 inhibitors with proven cardiorenal benefits, such as dapagliflozin or empagliflozin. The primary endpoint is the time to the first occurrence of a composite of major adverse cardiovascular or renal events (Clinical Research Information Service registration number: KCT0009243).
Conclusion
This trial will determine whether enavogliflozin is non-inferior to dapagliflozin or empagliflozin in terms of cardiorenal outcomes in patients with T2DM and cardiovascular risk factors. This study will elucidate the role of enavogliflozin in preventing vascular complications in patients with T2DM.
5.Can It be Said that this Case Confirmed the Phenomenon of Subacromial Suture Knot Impingement after Arthroscopic Rotator Cuff Repair?: A Case Report
Sung Hwan KIM ; Seung Won CHOI ; Sin Hyung PARK ; Yong Bok PARK
The Korean Journal of Sports Medicine 2025;43(1):41-45
Rotator cuff tears are common shoulder injuries, particularly in older adults. Arthroscopic rotator cuff repair (ARCR) is the preferred treatment due to its successful outcomes, but complications like suture knot impingement may arise.Knot impingement, although rare, can lead to subacromial bone erosion and persistent pain. The condition remains under-reported, and direct evidence linking knot impingement to subacromial erosion is scarce. A 63-year-old woman presented with progressively worsening shoulder pain and restricted range of motion, 10 years after undergoing ARCR. Clinical assessment indicated subacromial impingement with positive Neer, Hawkins test results and reduced shoulder mobility. Arthroscopic evaluation revealed suture knots embedded in the subacromial bone, directly causing erosion. This is the first case to confirm through arthroscopy that subacromial bone erosion resulted from knot impingement. This case emphasizes the importance of follow-up and highlights the need to consider alternative suture techniques to avoid complications like knot impingement. Surgeons should be vigilant in minimizing risks associated with suture materials and techniques to improve long-term outcomes for patients undergoing ARCR.
6.Study Design and Protocol for a Randomized Controlled Trial of Enavogliflozin to Evaluate Cardiorenal Outcomes in Type 2 Diabetes (ENVELOP)
Nam Hoon KIM ; Soo LIM ; In-Kyung JEONG ; Eun-Jung RHEE ; Jun Sung MOON ; Ohk-Hyun RYU ; Hyuk-Sang KWON ; Jong Chul WON ; Sang Soo KIM ; Sang Yong KIM ; Bon Jeong KU ; Heung Yong JIN ; Sin Gon KIM ; Bong-Soo CHA ;
Diabetes & Metabolism Journal 2025;49(2):225-234
Background:
The novel sodium-glucose cotransporter-2 (SGLT2) inhibitor enavogliflozin effectively lowers glycosylated hemoglobin levels and body weights without the increased risk of serious adverse events; however, the long-term clinical benefits of enavogliflozin in terms of cardiovascular and renal outcomes have not been investigated.
Methods:
This study is an investigator-initiated, multicenter, randomized, pragmatic, open-label, active-controlled, non-inferiority trial. Eligible participants are adults (aged ≥19 years) with type 2 diabetes mellitus (T2DM) who have a history of, or are at risk of, cardiovascular disease. A total of 2,862 participants will be randomly assigned to receive either enavogliflozin or other SGLT2 inhibitors with proven cardiorenal benefits, such as dapagliflozin or empagliflozin. The primary endpoint is the time to the first occurrence of a composite of major adverse cardiovascular or renal events (Clinical Research Information Service registration number: KCT0009243).
Conclusion
This trial will determine whether enavogliflozin is non-inferior to dapagliflozin or empagliflozin in terms of cardiorenal outcomes in patients with T2DM and cardiovascular risk factors. This study will elucidate the role of enavogliflozin in preventing vascular complications in patients with T2DM.
7.Can It be Said that this Case Confirmed the Phenomenon of Subacromial Suture Knot Impingement after Arthroscopic Rotator Cuff Repair?: A Case Report
Sung Hwan KIM ; Seung Won CHOI ; Sin Hyung PARK ; Yong Bok PARK
The Korean Journal of Sports Medicine 2025;43(1):41-45
Rotator cuff tears are common shoulder injuries, particularly in older adults. Arthroscopic rotator cuff repair (ARCR) is the preferred treatment due to its successful outcomes, but complications like suture knot impingement may arise.Knot impingement, although rare, can lead to subacromial bone erosion and persistent pain. The condition remains under-reported, and direct evidence linking knot impingement to subacromial erosion is scarce. A 63-year-old woman presented with progressively worsening shoulder pain and restricted range of motion, 10 years after undergoing ARCR. Clinical assessment indicated subacromial impingement with positive Neer, Hawkins test results and reduced shoulder mobility. Arthroscopic evaluation revealed suture knots embedded in the subacromial bone, directly causing erosion. This is the first case to confirm through arthroscopy that subacromial bone erosion resulted from knot impingement. This case emphasizes the importance of follow-up and highlights the need to consider alternative suture techniques to avoid complications like knot impingement. Surgeons should be vigilant in minimizing risks associated with suture materials and techniques to improve long-term outcomes for patients undergoing ARCR.
8.Can It be Said that this Case Confirmed the Phenomenon of Subacromial Suture Knot Impingement after Arthroscopic Rotator Cuff Repair?: A Case Report
Sung Hwan KIM ; Seung Won CHOI ; Sin Hyung PARK ; Yong Bok PARK
The Korean Journal of Sports Medicine 2025;43(1):41-45
Rotator cuff tears are common shoulder injuries, particularly in older adults. Arthroscopic rotator cuff repair (ARCR) is the preferred treatment due to its successful outcomes, but complications like suture knot impingement may arise.Knot impingement, although rare, can lead to subacromial bone erosion and persistent pain. The condition remains under-reported, and direct evidence linking knot impingement to subacromial erosion is scarce. A 63-year-old woman presented with progressively worsening shoulder pain and restricted range of motion, 10 years after undergoing ARCR. Clinical assessment indicated subacromial impingement with positive Neer, Hawkins test results and reduced shoulder mobility. Arthroscopic evaluation revealed suture knots embedded in the subacromial bone, directly causing erosion. This is the first case to confirm through arthroscopy that subacromial bone erosion resulted from knot impingement. This case emphasizes the importance of follow-up and highlights the need to consider alternative suture techniques to avoid complications like knot impingement. Surgeons should be vigilant in minimizing risks associated with suture materials and techniques to improve long-term outcomes for patients undergoing ARCR.
9.Study Design and Protocol for a Randomized Controlled Trial of Enavogliflozin to Evaluate Cardiorenal Outcomes in Type 2 Diabetes (ENVELOP)
Nam Hoon KIM ; Soo LIM ; In-Kyung JEONG ; Eun-Jung RHEE ; Jun Sung MOON ; Ohk-Hyun RYU ; Hyuk-Sang KWON ; Jong Chul WON ; Sang Soo KIM ; Sang Yong KIM ; Bon Jeong KU ; Heung Yong JIN ; Sin Gon KIM ; Bong-Soo CHA ;
Diabetes & Metabolism Journal 2025;49(2):225-234
Background:
The novel sodium-glucose cotransporter-2 (SGLT2) inhibitor enavogliflozin effectively lowers glycosylated hemoglobin levels and body weights without the increased risk of serious adverse events; however, the long-term clinical benefits of enavogliflozin in terms of cardiovascular and renal outcomes have not been investigated.
Methods:
This study is an investigator-initiated, multicenter, randomized, pragmatic, open-label, active-controlled, non-inferiority trial. Eligible participants are adults (aged ≥19 years) with type 2 diabetes mellitus (T2DM) who have a history of, or are at risk of, cardiovascular disease. A total of 2,862 participants will be randomly assigned to receive either enavogliflozin or other SGLT2 inhibitors with proven cardiorenal benefits, such as dapagliflozin or empagliflozin. The primary endpoint is the time to the first occurrence of a composite of major adverse cardiovascular or renal events (Clinical Research Information Service registration number: KCT0009243).
Conclusion
This trial will determine whether enavogliflozin is non-inferior to dapagliflozin or empagliflozin in terms of cardiorenal outcomes in patients with T2DM and cardiovascular risk factors. This study will elucidate the role of enavogliflozin in preventing vascular complications in patients with T2DM.
10.Efficacy and Safety of Metformin and Atorvastatin Combination Therapy vs. Monotherapy with Either Drug in Type 2 Diabetes Mellitus and Dyslipidemia Patients (ATOMIC): Double-Blinded Randomized Controlled Trial
Jie-Eun LEE ; Seung Hee YU ; Sung Rae KIM ; Kyu Jeung AHN ; Kee-Ho SONG ; In-Kyu LEE ; Ho-Sang SHON ; In Joo KIM ; Soo LIM ; Doo-Man KIM ; Choon Hee CHUNG ; Won-Young LEE ; Soon Hee LEE ; Dong Joon KIM ; Sung-Rae CHO ; Chang Hee JUNG ; Hyun Jeong JEON ; Seung-Hwan LEE ; Keun-Young PARK ; Sang Youl RHEE ; Sin Gon KIM ; Seok O PARK ; Dae Jung KIM ; Byung Joon KIM ; Sang Ah LEE ; Yong-Hyun KIM ; Kyung-Soo KIM ; Ji A SEO ; Il Seong NAM-GOONG ; Chang Won LEE ; Duk Kyu KIM ; Sang Wook KIM ; Chung Gu CHO ; Jung Han KIM ; Yeo-Joo KIM ; Jae-Myung YOO ; Kyung Wan MIN ; Moon-Kyu LEE
Diabetes & Metabolism Journal 2024;48(4):730-739
Background:
It is well known that a large number of patients with diabetes also have dyslipidemia, which significantly increases the risk of cardiovascular disease (CVD). This study aimed to evaluate the efficacy and safety of combination drugs consisting of metformin and atorvastatin, widely used as therapeutic agents for diabetes and dyslipidemia.
Methods:
This randomized, double-blind, placebo-controlled, parallel-group and phase III multicenter study included adults with glycosylated hemoglobin (HbA1c) levels >7.0% and <10.0%, low-density lipoprotein cholesterol (LDL-C) >100 and <250 mg/dL. One hundred eighty-five eligible subjects were randomized to the combination group (metformin+atorvastatin), metformin group (metformin+atorvastatin placebo), and atorvastatin group (atorvastatin+metformin placebo). The primary efficacy endpoints were the percent changes in HbA1c and LDL-C levels from baseline at the end of the treatment.
Results:
After 16 weeks of treatment compared to baseline, HbA1c showed a significant difference of 0.94% compared to the atorvastatin group in the combination group (0.35% vs. −0.58%, respectively; P<0.0001), whereas the proportion of patients with increased HbA1c was also 62% and 15%, respectively, showing a significant difference (P<0.001). The combination group also showed a significant decrease in LDL-C levels compared to the metformin group (−55.20% vs. −7.69%, P<0.001) without previously unknown adverse drug events.
Conclusion
The addition of atorvastatin to metformin improved HbA1c and LDL-C levels to a significant extent compared to metformin or atorvastatin alone in diabetes and dyslipidemia patients. This study also suggested metformin’s preventive effect on the glucose-elevating potential of atorvastatin in patients with type 2 diabetes mellitus and dyslipidemia, insufficiently controlled with exercise and diet. Metformin and atorvastatin combination might be an effective treatment in reducing the CVD risk in patients with both diabetes and dyslipidemia because of its lowering effect on LDL-C and glucose.

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