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The present trial is an observational prospective trial. The aim of the present study is to analyse the recycling potential in endoscopy units in hospitals and outpatient facilities. For this purpose, waste is collected for four weeks each at four locations (two inpatient and two outpatient facilities). Questions such as quantity and quality of garbage will be addressed and compared between the different facilities.
Current considerations by various professional societies are developing theoretical concepts with the goal of greenhouse-neutral endoscopy operation. However, the scientific data situation here is expandable. One study calculated an extrapolation for the US based on the mean value of weight and volume of a total of 278 endoscopies in five days at two hospitals. However, a differentiated consideration of various parameters such as examination type and the location of the endoscopy (outpatient vs. inpatient) was missing here.
In different endoscopic departments waste will be weighed. Those are two hospitals (university and non-university) and two outpatient endoscopy units, each for four weeks. The waste will be divided into residual waste, paper and plastic in order to record the possible recycling potential. In addition, it will be investigated how great the savings potential is by avoiding disposable products (gowns, endoscopes).
The present study addresses the following end points:
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| Measure | Description | Time Frame |
|---|---|---|
| Amount of waste generated per examination in grams (g) | The amount of waste per procedure will be collected by weighing the garbage of after every procedure. | 16 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Parts of waste per examination in g (residual waste, plastic, paper). | 16 weeks | |
| Saving potential defined by the amount of reusable items in g per procedure (e.g. gowns) | The saving potential is defined as the amount of reusable items in g per procedure. Ruasable items are defined as items that are available as one way and multi-way products. An example are gowns. |
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Inclusion Criteria:
Exclusion Criteria:
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No patients will be included but only the garbage after the procedures unrelated to patients.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| MDZ Magendarmzentrum, Gastroenterologisch, internistische Gemeinschaftspraxis | Not yet recruiting | Darmstadt | Hesse | 64287 | Germany |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 35803275 | Background | Rodriguez de Santiago E, Dinis-Ribeiro M, Pohl H, Agrawal D, Arvanitakis M, Baddeley R, Bak E, Bhandari P, Bretthauer M, Burga P, Donnelly L, Eickhoff A, Hayee B, Kaminski MF, Karlovic K, Lorenzo-Zuniga V, Pellise M, Pioche M, Siau K, Siersema PD, Stableforth W, Tham TC, Triantafyllou K, Tringali A, Veitch A, Voiosu AM, Webster GJ, Vienne A, Beilenhoff U, Bisschops R, Hassan C, Gralnek IM, Messmann H. Reducing the environmental footprint of gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastroenterology and Endoscopy Nurses and Associates (ESGENA) Position Statement. Endoscopy. 2022 Aug;54(8):797-826. doi: 10.1055/a-1859-3726. Epub 2022 Jul 8. | |
| 34853058 |
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| 16 weeks |
| Comparison of the amount of waste in g in disposable vs. reusable endoscopes. | 16 weeks |
| Descriptive description of the amount of waste after 4 weeks in kg and per produre in g at the different locations. | 16 weeks |
| Statistical comparison of the amount of waste in the different locations | 16 weeks |
| Statistical comparison of the amount of waste per examination | 16 weeks |
| Statistical comparison of the amount of waste between out-patient and in-patient departments | 16 weeks |
| Klinikum der J. W. Goethe-Universität | Not yet recruiting | Frankfurt am Main | Hesse | 60590 | Germany |
|
| IPG Hanau, Praxis für Gastroenterologie | Recruiting | Hanau | Hesse | 63450 | Germany |
|
| Klinikum Hanau, Klinik für Gastroenterologie, Diabetologie und Infektiologie | Completed | Hanau | Hesse | 63450 | Germany |
| Background |
| Namburar S, von Renteln D, Damianos J, Bradish L, Barrett J, Aguilera-Fish A, Cushman-Roisin B, Pohl H. Estimating the environmental impact of disposable endoscopic equipment and endoscopes. Gut. 2022 Jul;71(7):1326-1331. doi: 10.1136/gutjnl-2021-324729. Epub 2021 Dec 1. |
| 42250587 | Derived | Seeger A, Welsch L, Kim S, Antonow G, Zeuzem S, Hessz D, Kohlhaufl J, Rohde G, Maitra R, Baumhofner C, Schmitt S, Heide A, Eickhoff A, Friedrich-Rust M, Michael FA. Cutting Waste in Bronchoscopy: A Multicenter Observational Study in the German Health Care System. Chest. 2026 Jun 5:S0012-3692(26)00772-5. doi: 10.1016/j.chest.2026.05.036. Online ahead of print. |
| 40473397 | Derived | Welsch L, Friedrich-Rust M, Tal A, Haider N, Kim S, Schneider M, Schmitt L, Wittersheim L, Schmitt S, Heide A, Heilani M, Zeuzem S, Eickhoff A, Michael FA. Cutting waste in endoscopy: a multicentre observational study in the German healthcare system. Gut. 2025 Nov 10;74(12):1989-1994. doi: 10.1136/gutjnl-2024-333401. |