1.Measuring Medical Waste from Gastrointestinal Endoscopies in South Korea to Estimate Their Carbon Footprint
Da Hyun JUNG ; Hyun Jung LEE ; Tae Joo JEON ; Young Sin CHO ; Bo Ra KANG ; Nae Sun YOUN ; Jae Myung CHA
Gut and Liver 2025;19(1):43-49
Background/Aims:
Although gastrointestinal endoscopy (GIE) is a major contributor to the carbon footprint of national healthcare, the amount of medical waste generated by GIE procedures is not reported in South Korea. This study aimed to measure the amount of medical waste generated from GIE procedures in South Korea.
Methods:
We conducted a 5-day audit of medical waste generated during GIEs at seven hospitals. During the study period, medical waste in the endoscopy examination rooms was measured twice daily and documented as mass (kg). To calculate the mean mass of disposable waste generated during one esophagogastroduodenoscopy (EGD) and one colonoscopy, the mean mass of medical waste generated from seven examinations was calculated. The mean mass of medical waste generated during GIEs was calculated by dividing the total mass of medical waste generated by the number of GIE procedures.
Results:
Overall, 3,922 endoscopies were performed and 4,558 kg of waste was generated. The mean weight of medical waste generated per endoscopy was 1.34 kg. Each EGD and colonoscopy generated a mean of 0.24 kg and 0.43 kg of disposable waste, respectively. Applying the mean waste estimates from this study to annual GIE procedures performed in South Korea in 2022 showed that the total medical waste produced from GIE was 13,704,453 kg. In addition, the total masses of medical waste produced during EGD and colonoscopy procedures were 819,766 kg and 2,889,478 kg, respectively.
Conclusions
Our quantitative measurement showed that a large amount of medical waste is generated from GIE procedures. However, further research is warranted to reduce medical waste generated during GIE, which is an urgent unmet need.
2.Measuring Medical Waste from Gastrointestinal Endoscopies in South Korea to Estimate Their Carbon Footprint
Da Hyun JUNG ; Hyun Jung LEE ; Tae Joo JEON ; Young Sin CHO ; Bo Ra KANG ; Nae Sun YOUN ; Jae Myung CHA
Gut and Liver 2025;19(1):43-49
Background/Aims:
Although gastrointestinal endoscopy (GIE) is a major contributor to the carbon footprint of national healthcare, the amount of medical waste generated by GIE procedures is not reported in South Korea. This study aimed to measure the amount of medical waste generated from GIE procedures in South Korea.
Methods:
We conducted a 5-day audit of medical waste generated during GIEs at seven hospitals. During the study period, medical waste in the endoscopy examination rooms was measured twice daily and documented as mass (kg). To calculate the mean mass of disposable waste generated during one esophagogastroduodenoscopy (EGD) and one colonoscopy, the mean mass of medical waste generated from seven examinations was calculated. The mean mass of medical waste generated during GIEs was calculated by dividing the total mass of medical waste generated by the number of GIE procedures.
Results:
Overall, 3,922 endoscopies were performed and 4,558 kg of waste was generated. The mean weight of medical waste generated per endoscopy was 1.34 kg. Each EGD and colonoscopy generated a mean of 0.24 kg and 0.43 kg of disposable waste, respectively. Applying the mean waste estimates from this study to annual GIE procedures performed in South Korea in 2022 showed that the total medical waste produced from GIE was 13,704,453 kg. In addition, the total masses of medical waste produced during EGD and colonoscopy procedures were 819,766 kg and 2,889,478 kg, respectively.
Conclusions
Our quantitative measurement showed that a large amount of medical waste is generated from GIE procedures. However, further research is warranted to reduce medical waste generated during GIE, which is an urgent unmet need.
3.Measuring Medical Waste from Gastrointestinal Endoscopies in South Korea to Estimate Their Carbon Footprint
Da Hyun JUNG ; Hyun Jung LEE ; Tae Joo JEON ; Young Sin CHO ; Bo Ra KANG ; Nae Sun YOUN ; Jae Myung CHA
Gut and Liver 2025;19(1):43-49
Background/Aims:
Although gastrointestinal endoscopy (GIE) is a major contributor to the carbon footprint of national healthcare, the amount of medical waste generated by GIE procedures is not reported in South Korea. This study aimed to measure the amount of medical waste generated from GIE procedures in South Korea.
Methods:
We conducted a 5-day audit of medical waste generated during GIEs at seven hospitals. During the study period, medical waste in the endoscopy examination rooms was measured twice daily and documented as mass (kg). To calculate the mean mass of disposable waste generated during one esophagogastroduodenoscopy (EGD) and one colonoscopy, the mean mass of medical waste generated from seven examinations was calculated. The mean mass of medical waste generated during GIEs was calculated by dividing the total mass of medical waste generated by the number of GIE procedures.
Results:
Overall, 3,922 endoscopies were performed and 4,558 kg of waste was generated. The mean weight of medical waste generated per endoscopy was 1.34 kg. Each EGD and colonoscopy generated a mean of 0.24 kg and 0.43 kg of disposable waste, respectively. Applying the mean waste estimates from this study to annual GIE procedures performed in South Korea in 2022 showed that the total medical waste produced from GIE was 13,704,453 kg. In addition, the total masses of medical waste produced during EGD and colonoscopy procedures were 819,766 kg and 2,889,478 kg, respectively.
Conclusions
Our quantitative measurement showed that a large amount of medical waste is generated from GIE procedures. However, further research is warranted to reduce medical waste generated during GIE, which is an urgent unmet need.
4.Measuring Medical Waste from Gastrointestinal Endoscopies in South Korea to Estimate Their Carbon Footprint
Da Hyun JUNG ; Hyun Jung LEE ; Tae Joo JEON ; Young Sin CHO ; Bo Ra KANG ; Nae Sun YOUN ; Jae Myung CHA
Gut and Liver 2025;19(1):43-49
Background/Aims:
Although gastrointestinal endoscopy (GIE) is a major contributor to the carbon footprint of national healthcare, the amount of medical waste generated by GIE procedures is not reported in South Korea. This study aimed to measure the amount of medical waste generated from GIE procedures in South Korea.
Methods:
We conducted a 5-day audit of medical waste generated during GIEs at seven hospitals. During the study period, medical waste in the endoscopy examination rooms was measured twice daily and documented as mass (kg). To calculate the mean mass of disposable waste generated during one esophagogastroduodenoscopy (EGD) and one colonoscopy, the mean mass of medical waste generated from seven examinations was calculated. The mean mass of medical waste generated during GIEs was calculated by dividing the total mass of medical waste generated by the number of GIE procedures.
Results:
Overall, 3,922 endoscopies were performed and 4,558 kg of waste was generated. The mean weight of medical waste generated per endoscopy was 1.34 kg. Each EGD and colonoscopy generated a mean of 0.24 kg and 0.43 kg of disposable waste, respectively. Applying the mean waste estimates from this study to annual GIE procedures performed in South Korea in 2022 showed that the total medical waste produced from GIE was 13,704,453 kg. In addition, the total masses of medical waste produced during EGD and colonoscopy procedures were 819,766 kg and 2,889,478 kg, respectively.
Conclusions
Our quantitative measurement showed that a large amount of medical waste is generated from GIE procedures. However, further research is warranted to reduce medical waste generated during GIE, which is an urgent unmet need.
5.Musth cases in two captive male Asian elephants (Elephas maximus) in Korea
Soong Hee YOUN ; Eun JUNG ; Ki Yong SHIN ; Kyoo-Tae KIM
Journal of Veterinary Science 2024;25(6):e76-
and Relevance: We found that the duration and behavior of musth in captive male elephants were affected by the introduction of other growing male elephants.
6.Multiple Intramuscular Abscesses Caused by Nocardia abscessus in a Patient with Chronic Obstructive Lung Disease: Clinical Microbiology Considerations
Jung-Ah KIM ; Hyunjoo DONG ; Eunjung LEE ; Jongtak JUNG ; Yae Jee BAEK ; Tae Hyong KIM ; Tae Youn CHOI
Korean Journal of Medicine 2024;99(1):50-56
Nocardiosis is uncommon. Immunocompromising conditions predispose individuals to pulmonary and disseminated nocardiosis of the brain, skin, and subcutaneous tissues. The most common pathogens are Nocardia cyriacigeorgica, Nocardia nova, and Nocardia farcinica. The speciation of Nocardia to determine antimicrobial susceptibility is difficult using traditional biochemical methods. Here, we report the case of a 73-year-old man with chronic obstructive lung disease who developed a rapidly progressing intramuscular abscess around the left hip and thigh. Within 3 days, the lesions progressed to an epidural abscess at the L4 to S1 level. Although he was treated with broad-spectrum antibiotics and extensive incision and drainage, he died of rapidly progressive respiratory failure. Nocardia abscessus (N. abscessus) was identified in pus samples using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). This case shows that the diagnosis of an intramuscular abscess caused by N. abscessus is challenging and that using MALDI-TOF MS may facilitate the diagnosis and ensure appropriate treatment.
7.Musth cases in two captive male Asian elephants (Elephas maximus) in Korea
Soong Hee YOUN ; Eun JUNG ; Ki Yong SHIN ; Kyoo-Tae KIM
Journal of Veterinary Science 2024;25(6):e76-
and Relevance: We found that the duration and behavior of musth in captive male elephants were affected by the introduction of other growing male elephants.
8.Multiple Intramuscular Abscesses Caused by Nocardia abscessus in a Patient with Chronic Obstructive Lung Disease: Clinical Microbiology Considerations
Jung-Ah KIM ; Hyunjoo DONG ; Eunjung LEE ; Jongtak JUNG ; Yae Jee BAEK ; Tae Hyong KIM ; Tae Youn CHOI
Korean Journal of Medicine 2024;99(1):50-56
Nocardiosis is uncommon. Immunocompromising conditions predispose individuals to pulmonary and disseminated nocardiosis of the brain, skin, and subcutaneous tissues. The most common pathogens are Nocardia cyriacigeorgica, Nocardia nova, and Nocardia farcinica. The speciation of Nocardia to determine antimicrobial susceptibility is difficult using traditional biochemical methods. Here, we report the case of a 73-year-old man with chronic obstructive lung disease who developed a rapidly progressing intramuscular abscess around the left hip and thigh. Within 3 days, the lesions progressed to an epidural abscess at the L4 to S1 level. Although he was treated with broad-spectrum antibiotics and extensive incision and drainage, he died of rapidly progressive respiratory failure. Nocardia abscessus (N. abscessus) was identified in pus samples using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). This case shows that the diagnosis of an intramuscular abscess caused by N. abscessus is challenging and that using MALDI-TOF MS may facilitate the diagnosis and ensure appropriate treatment.
9.Erratum to: Corrigendum: 2023 Korean Society of Menopause -Osteoporosis Guidelines Part I
Dong Ock LEE ; Yeon Hee HONG ; Moon Kyoung CHO ; Young Sik CHOI ; Sungwook CHUN ; Youn-Jee CHUNG ; Seung Hwa HONG ; Kyu Ri HWANG ; Jinju KIM ; Hoon KIM ; Dong-Yun LEE ; Sa Ra LEE ; Hyun-Tae PARK ; Seok Kyo SEO ; Jung-Ho SHIN ; Jae Yen SONG ; Kyong Wook YI ; Haerin PAIK ; Ji Young LEE
Journal of Menopausal Medicine 2024;30(3):179-179
10.Doctor shopping trend of patients before undergoing rotator cuff repair in Korea: a multicenter study
Jong-Ho KIM ; Nam Su CHO ; Jin-Young PARK ; Yon-Sik YOO ; Joo Han OH ; Kyu Cheol NOH ; Yong-Beom LEE ; Ho Min LEE ; Jin-Young BANG ; Jung Youn KIM ; Hyeon Jang JEONG ; Tae Kang LIM
Clinics in Shoulder and Elbow 2024;27(3):338-344
Background:
This study aims to investigate the trend of doctor shopping among patients with rotator cuff tear (RCT) before undergoing surgery and to examine the relevance of these findings to the public.
Methods:
A survey was conducted of 326 patients from 10 hospitals (male, 176; female, 150) who underwent arthroscopic rotator cuff repair (ARCR) for symptomatic RCT between September 2019 and February 2020. A questionnaire was used to obtain data regarding the type of medical care service, medical institutions visited before surgery, number of treatments received, and cost of treatment.
Results:
A total of 326 patients (87%) received treatment at least once at another medical institution before visiting the hospital where the surgery was performed. Patients visited an average of 9.4 health providers or physicians for shoulder pain before visiting the hospital where surgery was performed. Among the 326 patients, 148 (45%) visited more than two medical institutions and spent an average of 641,983 Korean won (KRW; $466, 50,000–5,000,000 KRW) before surgery. Medical expenses before surgery were proportional to the number of medical institutions visited (P=0.002), symptom duration (P=0.002), and initial visual analog scale (VAS) pain score (P=0.007) but were not associated with sex, age, VAS pain score immediately before surgery, or RCT size.
Conclusions
Medical expense before ARCR was associated with the severity of preoperative pain and duration of symptoms. After onset of shoulder symptoms, patients should visit as soon as possible a hospital that has surgeons who specialize in shoulder repair to prevent unnecessary medical expense and proper treatment.Level of evidence: IV.

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