Y Hosokawa

Kagoshima University

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[Operative technique of systemic to pulmonary artery shunt and aortoplasty utilizing in aberrant subclavian artery].

PubMed (1989)

Obo H Masao Yamaguchi Yu Oshima H Ohhashi Y Hosokawa

This paper presents a review of our experience of 3 cases of systemic to pulmonary artery shunt operation and 2 cases of subclavian flap aortoplasty using aberrant subclavian artery. The aberrant subclavian arteries were divided to release the vascular rings and were used as shunt grafts or reversed subclavian flaps. In case of shunt operation, this graft would be superior to the EPTFE graft of modified Blalock-Taussig shunt, from the point of view of the grafts' growth ability. In case of aortoplasty, if arch hypoplasia exists, this flap can repair it beyond the coarctation segment. When the aberrant subclavian artery is dissected, it should be avoided to use the contralateral subclavian artery, as it may cause cerebral damage because of the impairment of bilateral vertebral arterial circulation.

Subclavian steal syndrome

Left subclavian artery

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Citations (1)

Surgical management and long-term results of absent pulmonary valve syndrome

Shinzo (1989)

H Ohashi Masahiro Yamaguchi Y Hosokawa Yoshihiro Oshima Teruo Tei

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Enhanced Myocardial Protection by Systemic Deep Hypothermia in Children Undergoing Total Correction of Tetralogy of Fallot

The Annals of Thoracic Surgery (1986)

Masahiro Yamaguchi M Imai H Ohashi Y Hosokawa Hideo Tachibana

10.1016/s0003-4975(10)63079-2

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Citations (15)

Preparation of Alginate Hydrogel Beads on a Superhydrophobic Surface with Calcium Salt Powder to Enhance the Mechanical Strength and Encapsulation Efficiency of Ingredients

Materials (2024)

Y Hosokawa Takashi Goshima Takami Kai Saki Kobaru Yoshihiro Ohzuno

Calcium alginate hydrogel is one of the most widely used materials for drug-carrier beads used in drug-delivery systems. In this study, we developed a new method to improve the encapsulation efficiency of ingredients, such as medicines, in calcium alginate hydrogel beads. In the gold standard method, the hydrogel beads are prepared in the liquid phase. In contrast, in the new method, to enhance the encapsulation efficiency, the hydrogel beads are prepared in the gas phase using a water-repellent surface. In brief, a droplet of sodium alginate aqueous solution is rolled on a water-repellent surface with CaCl

Encapsulation

Mechanical strength

Calcium alginate

10.3390/ma17246027

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Early and midterm results of the arterial switch operation for transposition of the great arteries in Japan

Journal of Thoracic and Cardiovascular Surgery (1990)

Masahiro Yamaguchi Y Hosokawa Yasuharu Imai Hiromi Kurosawa Hisataka Yasui

Coronary arteries

10.1016/s0022-5223(19)35566-7

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Citations (116)

Congenital mitral regurgitation associated with total anomalous pulmonary venous drainage. Report of a rare combination.

PubMed (1991)

Masahiro Yamaguchi Hirokazu Ohashi M Imai Yu Oshima Y Hosokawa

A case of congenital mitral regurgitation associated with total anomalous pulmonary venous drainage, successfully treated surgically, is reported. To our knowledge, this combination has not been reported in the literature.

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Citations (3)

A Case of an One-Month-Old Infant With Congenital Aortic Valvular Stenosis Successfully Treated by Open Valvular Commissurotomy

Nihon Shōni Geka Gakkai zasshi/Nihon Shoni Geka Gakkai zasshi (1986)

Noboru Wakita H Ohashi Y Hosokawa Hideo Tachibana Masahiro Yamaguchi

Commissurotomy

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Phrenic nerve paralysis after pediatric cardiac surgery

Journal of Thoracic and Cardiovascular Surgery (1987)

Takashi Watanabe George A. Trusler William G. Williams J. Edmonds John G. Coles

Phrenic nerve

Ventricular outflow tract

10.1016/s0022-5223(19)36251-8

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Citations (71)

Result of Treatments of Major Surgical Disorders Associated With Cardiovascular Malformation in Neonates

Nihon Shōni Geka Gakkai zasshi/Nihon Shoni Geka Gakkai zasshi (1987)

Masahiro Yamaguchi Y Hosokawa H Ohashi Kunio Gan Yoshihiro Oshima

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[Surgical treatment of interrupted aortic arch in infants under three months of age].

PubMed (1989)

Masao Yamaguchi H Ohashi M Imai Yoshihiro Oshima Hideyuki Maeda

From March, 1982, through March, 1988, 8 infants less than 3 months of age underwent surgical treatment of interrupted aortic arch. Five patients had IAA type A and 3 patients had type B. Seven patients with associated VSD underwent staged operations and 1 infant with aortopulmonary window underwent primary repair off cardiopulmonary bypass. Aortic arch reconstruction was by subclavian aortic anastomosis (6) or large tube graft (8 mm) interposition (2) combined with pulmonary artery banding (5). All seven patients with associated VSD survived the first-stage operation. One patient subsequently underwent pulmonary artery banding, two underwent patch aortoplasty and four patients underwent intracardiac repair and removal of a pulmonary artery band, with six survivors (86%). The operative death occurred in an infant in whom modified Damus-Kaye-Stansel operation was carried out for severe subaortic stenosis, which rerouting all left ventricular blood through VSD and the main pulmonary artery into the ascending aorta and reconstructing right ventricular-distal pulmonary artery connection by a valved external conduit. All six surviving patients are doing well at present (mean follow up of 3 years) without any significant pressure gradient between the ascending and thoracic aorta. Based on these data we conclude: (1) Aortic arch reconstruction and pulmonary artery banding can be reliably performed even in critically ill infants with IAA and isolated VSD. (2) The primary repair will provide better chance of survival in infants with IAA associated with significant LVOTO, truncus arteriosus or aortopulmonary window that do not readily lend themselves to pulmonary artery banding.

Interrupted aortic arch

Pulmonary artery banding

Aortopulmonary window

Truncus arteriosus

Left pulmonary artery

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Citations (2)