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Akcaalan S, Akcan G, Tufan AC, Caglar C, Akcaalan Y, Akkaya M, Dogan M. Is tranexamic acid safe for the hip joint? NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1197-1207. [PMID: 37644283 DOI: 10.1007/s00210-023-02693-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/24/2023] [Indexed: 08/31/2023]
Abstract
To show the effects of tranexamic acid, which is a drug frequently used to control bleeding, on the hip joint and sciatic nerve in animal experiments. There were 15 rats in each of the 3 groups, with a total of 45 rats. Topical saline injections were applied to the first group, topical TXA injections to the second group, and intravenous (IV) TXA injections to the third group. In the samples taken from the hip joint 3 weeks later, femoral head cartilage, sciatic nerve, and joint capsule thicknesses were analyzed histologically. Statistically significantly more cartilage degradation was detected in the femoral head cartilage in both the IV and intraarticular TXA group when compared to the control group. The groups were also compared in terms of acetabular cartilage; however, no histological difference was found between the groups. It was seen that when the femoral head cartilage thickness (the average of the measurements made from 3 different points were used) was examined, the cartilage thickness in the topical TXA group was less when compared to the other 2 groups. However, this difference was determined to not be statistically significant. The data of the hip joint capsule thickness measurement, it was found that the capsule thickness in the topical TXA applied group was less when compared to the other 2 groups. However, this difference was not statistically significant. When the sciatic nerves in all 3 groups were compared, no different staining characteristics were found in the immunofluorescence examination. TXA, which is frequently used in orthopedic practice, shows negative effects on hip joint cartilage in both topical and intravenous application.
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Affiliation(s)
- Serhat Akcaalan
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey.
| | - Gulben Akcan
- Department of Histology and Embryology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Ahmet Cevik Tufan
- Department of Histology and Embryology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Ceyhun Caglar
- Department of Orthopedics and Traumatology, Ankara City Hospital, 06800, Ankara, Turkey
| | | | - Mustafa Akkaya
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Metin Dogan
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
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Çağlar C, Akçaalan S, Akçaalan Y, Akcan G, Tufan AC, Akkaya M, Doğan M. Tranexamic acid administered intraarticularly to the knee is safer for the articular cartilage and anterior cruciate ligament compared to intravenous administration: Histological analysis of an experimental rat model. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1045-1051. [PMID: 37566306 DOI: 10.1007/s00210-023-02666-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 08/08/2023] [Indexed: 08/12/2023]
Abstract
In this study, the effects of tranexamic acid (TXA) on the knee's articular cartilage, anterior cruciate ligament (ACL), and joint capsule were assessed histologically. There were 15 rats in each of the 3 groups, totaling 45 rats. Intraarticular (IA) saline injections were applied for the first group, IA TXA injections for the second group, and intravenous (IV) TXA injections for the third group. Using samples taken from the knee joint 3 weeks later, the medial/lateral femoral condyle and medial/lateral tibial plateau articular cartilages were evaluated with Osteoarthritis Research Society International (OARSI) scoring, while ACL diameter and joint capsule thickness were analyzed histologically. In comparisons of OARSI scores for the medial/lateral femoral condyle and medial/lateral tibial plateau cartilage regions, the scores obtained for the IV TXA group were significantly higher than those of the IA saline group (P < 0.001, P = 0.001, P = 0.003, P = 0.011). In comparisons of medial/lateral femoral condyle and medial/lateral tibial plateau OARSI scores, the scores obtained for the IV TXA group were again significantly higher than those of the IA TXA group (P < 0.001, P < 0.001, P < 0.001, P = 0.002). When ACL diameters were compared, a significant decrease was observed in the ACL diameters of the IV TXA group compared to the IA saline and IA TXA groups (P < 0.001, P = 0.039). Histologically, IV TXA damages the articular cartilage and ACL more than IA TXA. IA administration of TXA is more protective when the articular cartilage and ACL are preserved.
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Affiliation(s)
- Ceyhun Çağlar
- Department of Orthopedics and Traumatology, Ankara City Hospital, 06800, Ankara, Turkey.
| | - Serhat Akçaalan
- Department of Orthopedics and Traumatology, Ankara City Hospital, 06800, Ankara, Turkey
| | - Yasemin Akçaalan
- Department of Anesthesiology and Reanimation, Ankara City Hospital, 06800, Ankara, Turkey
| | - Gülben Akcan
- Department of Histology and Embryology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Ahmet Cevik Tufan
- Department of Histology and Embryology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Mustafa Akkaya
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
| | - Metin Doğan
- Department of Orthopedics and Traumatology, Ankara Yıldırım Beyazıt University, 06800, Ankara, Turkey
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Wang J, Liang S, Ma T, Chen S, Hu Y, Wang L. Tranexamic Acid Causes Chondral Injury Through Chondrocytes Apoptosis Induced by Activating Endoplasmic Reticulum Stress. Arthroscopy 2023; 39:2529-2546.e1. [PMID: 37683831 DOI: 10.1016/j.arthro.2023.08.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 08/06/2023] [Accepted: 08/08/2023] [Indexed: 09/10/2023]
Abstract
PURPOSE To investigate whether tranexamic acid (TXA) is cytotoxic in chondrocyte and cartilage tissues, as well as explore the mechanisms behind the possible toxicity in detail. METHODS We detected the cell viability of chondrocytes in vitro and the change of morphology and specific in vivo contents of cartilage after TXA treatment. Furthermore, we detected apoptosis in cartilage. We used apoptosis-specific staining, reactive oxygen species detection, mitochondrial membrane potential detection, flow cytometry, and western blot for apoptosis detection. Finally, we detected the activation of endoplasmic reticulum stress (ERS) in TXA-treated chondrocytes to clarify the mechanism behind chondrocyte apoptosis. RESULTS TXA presented an increasing toxic effect with increasing concentrations, especially in the 100 mg/mL group. In addition, we found that 50 mg/mL and 100 mg/mL TXA significantly increased apoptosis in cartilage and subchondral bone. TXA could induce chondrocyte apoptosis in cell and protein levels with reactive oxygen species generation and mitochondrial membrane depolarization. An apoptosis inhibitor could inhibit the induced apoptosis. Next, TXA induced calcium overload in chondrocytes and increased ERS-specific protein expression, whereas ERS inhibitor blocked ERS activation and further inhibited chondrocyte apoptosis. CONCLUSIONS We concluded that TXA had a toxic effect on chondrocytes by inducing apoptosis through ERS activation, especially in 50 mg/mL and 100 mg/mL groups. We recommend TXA concentrations of less than 50 mg/mL in joint surgeries. CLINICAL RELEVANCE It is still unclear whether TXA has a toxic effect on cartilage when topically used in joint surgeries. The concentration also varies. This study provides additional evidence that TXA at high concentrations will cause cartilage damage, which will help to provide a new understanding of the clinical administration of TXA.
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Affiliation(s)
- Jiahao Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Shuailong Liang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Tianliang Ma
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China
| | - Sijie Chen
- Department of Ultrasound Diagnosis, Second Xiangya Hospital, Central South University, Changsha, China
| | - Yihe Hu
- Department of Orthopedics, First Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China.
| | - Long Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratary of Aging Biology, Xiangya Hospital, Central South University, Changsha, China.
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YouTube videos as a source of information concerning Behçet's disease: a reliability and quality analysis. Rheumatol Int 2021; 41:2117-2123. [PMID: 34590188 DOI: 10.1007/s00296-021-05009-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 09/20/2021] [Indexed: 10/20/2022]
Abstract
In this study, we aimed to investigate the reliability and quality of YouTube videos concerning Behçet disease, for the first time in the literature. The most viewed 50 YouTube videos about Behçet disease were included. Study data used in the analysis included video length, image type, video content, uploaders, time since the date of upload, the number of total views, daily views, and the numbers of like, dislike and comments. The Video Power Index was used to determine popularity of the videos. Reliability and quality of the videos were evaluated using DISCERN and Global Quality Scale (GQS) instruments. The examined YouTube videos were divided into two groups as uploaded by professionals (physicians, health and hospital channels, institutions and societies) and non-professionals (patients, social organizations, others). Twenty-three (46%) videos were uploaded by professionals. The mean DISCERN score was found as 3.98 ± 0.77 in the videos uploaded by healthcare professionals and 2.83 ± 0.64 in those uploaded by non-professionals (p < 0.01). The mean GQS score was found as 4.09 ± 0.72 in the videos uploaded by healthcare professionals and 3.41 ± 0.69 in those uploaded by non-professionals (p < 0.01). 46% of the videos were of low-to-moderate reliability and 56% of low-to-moderate quality. Nearly half of the YouTube videos concerning Behçet disease were uploaded by non-physician sources with poor reliability and quality. Physicians should be encouraged to upload more professional videos to help and guide patients appropriately. YouTube videos should be subjected to an objective evaluation for content quality before they can be published.
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