1.A Case of Ascending-To-Descending Aorta Bypass Grafting for Coarctation of the Aorta Associated with Turner Syndrome
Ryo Hirayama ; Masamichi Nakajima ; Toshiya Koyanagi ; Ryusuke Suzuki ; Toshiaki Watanabe
Japanese Journal of Cardiovascular Surgery 2009;38(3):226-228
A 22-year-old woman without any serious distincted symptoms was found to have hypertension on a health examination. On further examinations, involving echocardiography and chest enhanced CT, showed dilatation of the ascending aorta, aortic coarctation, well-developed intercostal arteries and other collateral arteries. She was only 137 cm tall and weighed 52 kg. Besides, she had not had menstruation for the past two years. Chromosomal studies revealed Turner syndrome. Left lateral thoracotomy was thought to have the risk of heavy bleeding from collateral arteries, therefore we chose ascending-to-descending aorta bypass grafting through median sternotomy. She had an uncomplicated postoperative course. Here we report about operation in a adult case of coarctation of the aorta and discuss the usefulness of extraanatomical bypass grafting.
2.A Rescue Case of Left Ventricular Free Wall Rupture after Acute Myocardial Infarction Using the David-Komeda Method
Ryusuke Suzuki ; Toshiya Koyanagi ; Toshiaki Watanabe ; Ryo Hirayama ; Ichiro Nohata
Japanese Journal of Cardiovascular Surgery 2007;36(3):145-149
A 61-year-old woman developed shock during transportation to our hospital in an ambulance under a diagnosis of acute myocardial infarction, Emergency coronary angiography showed left anterior interventricular descending branch #6 to be completely occluded. At the same time, ultrasonic cardiography showed pericardial effusion. Therefore we diagnosed left ventricular free wall rupture, and performed emergency surgery to repair the rupture site. After pericardiotomy massive hemorrhage occurred and we diagnosed blow-out type left ventricular free wall rupture. We immediately established extracorporeal circulation via the femoral artery and vein, and cross clamped the ascending aorta, then achieved cardiac arrest. Because the area of myocardial infarction was extensive, we applied the David-Komeda method to avoid bleeding due to left ventricular systolic pressure, left ventricular aneurysm or ventricular septal rupture. The postoperative course was good; the patient was weaned from PCPS on the 3rd day postoperatively, IABP on the 5th day postoperatively and from the respirator on the 8th day postoperatively. She was discharged on postoperative day 40. Currently she has no cardiac complains, no left ventricular aneurysm and no neurological problems. Left ventricular free wall rupture can remain a fatal complication after acute myocardial infarction. We consider the David-Komeda method useful for repairing left ventricular free wall rupture (blow-out type) after acute myocardial infarction as well as ventricular septal rupture without a risk of left ventricular aneurysm, bleeding or ventricular septal wall rupture.
3.In Vitro Assessment of Injectable Bone Marrow Aspirate Concentrates Compared to Injectable Platelet-Rich Fibrin
Masako FUJIOKA-KOBAYASHI ; Masateru KOYANAGI ; Ryo INADA ; Ayako MIYASAKA ; Takafumi SATOMI
Tissue Engineering and Regenerative Medicine 2024;21(8):1233-1243
BACKGROUND:
Injectable platelet-rich fibrin (iPRF), a liquid form of PRF that is prepared from peripheral blood without anticoagulants, promotes tissue wound healing and regeneration. The present study focused on iPRF-like bone marrow aspirate concentrate (iBMAC) prepared without anticoagulant, and the regenerative potential of iPRF and iBMAC was compared In Vitro.
METHODS:
iPRF and iBMAC were prepared from the same New Zealand white rabbits. The cytocompatibility and regenerative potential of each concentrate were evaluated using primary rabbit gingival fibroblasts and osteoblasts.
RESULTS:
Both gingival fibroblasts and osteoblasts treated with each concentrate exhibited excellent cell viability.Interestingly, compared to cells treated with iPRF, cells treated with iBMAC demonstrated significantly greater migration potential. Furthermore, higher mRNA levels of transforming growth factor-β (TGF-β), vascular endothelial growth factor (VEGF), and collagen I (COL1) were observed in gingival fibroblasts treated with iBMAC than in those treated with iPRF.Compared with osteoblasts treated with iPRF, osteoblasts treated with iBMAC exhibited greater differentiation potential, as indicated by increased osteocalcin (OCN) expression and mineralization capability.
CONCLUSION
The results of the In Vitro study suggest that, compared with iPRF, iBMAC may promote wound healing and bone regeneration more effectively. However, further preclinical and clinical studies are needed to confirm the regenerative potential of iBMAC in the body.
4.In Vitro Assessment of Injectable Bone Marrow Aspirate Concentrates Compared to Injectable Platelet-Rich Fibrin
Masako FUJIOKA-KOBAYASHI ; Masateru KOYANAGI ; Ryo INADA ; Ayako MIYASAKA ; Takafumi SATOMI
Tissue Engineering and Regenerative Medicine 2024;21(8):1233-1243
BACKGROUND:
Injectable platelet-rich fibrin (iPRF), a liquid form of PRF that is prepared from peripheral blood without anticoagulants, promotes tissue wound healing and regeneration. The present study focused on iPRF-like bone marrow aspirate concentrate (iBMAC) prepared without anticoagulant, and the regenerative potential of iPRF and iBMAC was compared In Vitro.
METHODS:
iPRF and iBMAC were prepared from the same New Zealand white rabbits. The cytocompatibility and regenerative potential of each concentrate were evaluated using primary rabbit gingival fibroblasts and osteoblasts.
RESULTS:
Both gingival fibroblasts and osteoblasts treated with each concentrate exhibited excellent cell viability.Interestingly, compared to cells treated with iPRF, cells treated with iBMAC demonstrated significantly greater migration potential. Furthermore, higher mRNA levels of transforming growth factor-β (TGF-β), vascular endothelial growth factor (VEGF), and collagen I (COL1) were observed in gingival fibroblasts treated with iBMAC than in those treated with iPRF.Compared with osteoblasts treated with iPRF, osteoblasts treated with iBMAC exhibited greater differentiation potential, as indicated by increased osteocalcin (OCN) expression and mineralization capability.
CONCLUSION
The results of the In Vitro study suggest that, compared with iPRF, iBMAC may promote wound healing and bone regeneration more effectively. However, further preclinical and clinical studies are needed to confirm the regenerative potential of iBMAC in the body.
5.In Vitro Assessment of Injectable Bone Marrow Aspirate Concentrates Compared to Injectable Platelet-Rich Fibrin
Masako FUJIOKA-KOBAYASHI ; Masateru KOYANAGI ; Ryo INADA ; Ayako MIYASAKA ; Takafumi SATOMI
Tissue Engineering and Regenerative Medicine 2024;21(8):1233-1243
BACKGROUND:
Injectable platelet-rich fibrin (iPRF), a liquid form of PRF that is prepared from peripheral blood without anticoagulants, promotes tissue wound healing and regeneration. The present study focused on iPRF-like bone marrow aspirate concentrate (iBMAC) prepared without anticoagulant, and the regenerative potential of iPRF and iBMAC was compared In Vitro.
METHODS:
iPRF and iBMAC were prepared from the same New Zealand white rabbits. The cytocompatibility and regenerative potential of each concentrate were evaluated using primary rabbit gingival fibroblasts and osteoblasts.
RESULTS:
Both gingival fibroblasts and osteoblasts treated with each concentrate exhibited excellent cell viability.Interestingly, compared to cells treated with iPRF, cells treated with iBMAC demonstrated significantly greater migration potential. Furthermore, higher mRNA levels of transforming growth factor-β (TGF-β), vascular endothelial growth factor (VEGF), and collagen I (COL1) were observed in gingival fibroblasts treated with iBMAC than in those treated with iPRF.Compared with osteoblasts treated with iPRF, osteoblasts treated with iBMAC exhibited greater differentiation potential, as indicated by increased osteocalcin (OCN) expression and mineralization capability.
CONCLUSION
The results of the In Vitro study suggest that, compared with iPRF, iBMAC may promote wound healing and bone regeneration more effectively. However, further preclinical and clinical studies are needed to confirm the regenerative potential of iBMAC in the body.
6.In Vitro Assessment of Injectable Bone Marrow Aspirate Concentrates Compared to Injectable Platelet-Rich Fibrin
Masako FUJIOKA-KOBAYASHI ; Masateru KOYANAGI ; Ryo INADA ; Ayako MIYASAKA ; Takafumi SATOMI
Tissue Engineering and Regenerative Medicine 2024;21(8):1233-1243
BACKGROUND:
Injectable platelet-rich fibrin (iPRF), a liquid form of PRF that is prepared from peripheral blood without anticoagulants, promotes tissue wound healing and regeneration. The present study focused on iPRF-like bone marrow aspirate concentrate (iBMAC) prepared without anticoagulant, and the regenerative potential of iPRF and iBMAC was compared In Vitro.
METHODS:
iPRF and iBMAC were prepared from the same New Zealand white rabbits. The cytocompatibility and regenerative potential of each concentrate were evaluated using primary rabbit gingival fibroblasts and osteoblasts.
RESULTS:
Both gingival fibroblasts and osteoblasts treated with each concentrate exhibited excellent cell viability.Interestingly, compared to cells treated with iPRF, cells treated with iBMAC demonstrated significantly greater migration potential. Furthermore, higher mRNA levels of transforming growth factor-β (TGF-β), vascular endothelial growth factor (VEGF), and collagen I (COL1) were observed in gingival fibroblasts treated with iBMAC than in those treated with iPRF.Compared with osteoblasts treated with iPRF, osteoblasts treated with iBMAC exhibited greater differentiation potential, as indicated by increased osteocalcin (OCN) expression and mineralization capability.
CONCLUSION
The results of the In Vitro study suggest that, compared with iPRF, iBMAC may promote wound healing and bone regeneration more effectively. However, further preclinical and clinical studies are needed to confirm the regenerative potential of iBMAC in the body.
7.In Vitro Assessment of Injectable Bone Marrow Aspirate Concentrates Compared to Injectable Platelet-Rich Fibrin
Masako FUJIOKA-KOBAYASHI ; Masateru KOYANAGI ; Ryo INADA ; Ayako MIYASAKA ; Takafumi SATOMI
Tissue Engineering and Regenerative Medicine 2024;21(8):1233-1243
BACKGROUND:
Injectable platelet-rich fibrin (iPRF), a liquid form of PRF that is prepared from peripheral blood without anticoagulants, promotes tissue wound healing and regeneration. The present study focused on iPRF-like bone marrow aspirate concentrate (iBMAC) prepared without anticoagulant, and the regenerative potential of iPRF and iBMAC was compared In Vitro.
METHODS:
iPRF and iBMAC were prepared from the same New Zealand white rabbits. The cytocompatibility and regenerative potential of each concentrate were evaluated using primary rabbit gingival fibroblasts and osteoblasts.
RESULTS:
Both gingival fibroblasts and osteoblasts treated with each concentrate exhibited excellent cell viability.Interestingly, compared to cells treated with iPRF, cells treated with iBMAC demonstrated significantly greater migration potential. Furthermore, higher mRNA levels of transforming growth factor-β (TGF-β), vascular endothelial growth factor (VEGF), and collagen I (COL1) were observed in gingival fibroblasts treated with iBMAC than in those treated with iPRF.Compared with osteoblasts treated with iPRF, osteoblasts treated with iBMAC exhibited greater differentiation potential, as indicated by increased osteocalcin (OCN) expression and mineralization capability.
CONCLUSION
The results of the In Vitro study suggest that, compared with iPRF, iBMAC may promote wound healing and bone regeneration more effectively. However, further preclinical and clinical studies are needed to confirm the regenerative potential of iBMAC in the body.
8.A Survey Using a Terminal Care Attitude Scale Intended for Oncologists and Palliative Care Staff
Masayoshi KUMAI ; Shintaro KATO ; Ryo KOYANAGI ; Kenkichi TSURUGA ; Yoichi M. ITO ; Takehiro YAMADA ; Yoh TAKEKUMA ; Mitsuru SUGAWARA ; Yasuyuki KAWAMOTO ; Yoshito KOMATSU
Palliative Care Research 2022;17(2):51-58
Purpose: This study aimed to analyze the terminal care attitudes of healthcare members engaged in palliative care and the factors associated with these attitudes. Methods: We conducted a survey for healthcare members engaging in palliative care including oncologists and palliative care doctors using the Japanese version of the Frommelt Attitudes Toward Care of the Dying (FATCOD B-J), a scale that measures the attitude of medical stuff toward the care of dying patients. Results: A total of 223 (response rate=42.2%) responses were obtained and analyzed. Multiple regression analysis using the FATCOD B-J total score as the objective variable showed that 30s had lower partial regression coefficients than 40s (−3.8). Higher “satisfaction from work” and “interest in palliative care” were associated with greater partial regression coefficients (+5.7, +6.2). Conclusion: A sense of satisfaction and interest in palliative care may be important to cultivate terminal care attitudes among health care providers involved in palliative care.