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Biomedical subjects

T Harashina

Publications and source records attributed to T Harashina.

At least 19 recordsLinked to original sources
PubMed1999

Bipedicled submental island flap for upper lip reconstruction.

A case of reconstruction of the upper lip with a bipedicled submental flap is described. Although the mobility of the flap was restricted, the arterial blood supply was abundant by altering the single-pedicled flap into a bipedicled flap. This flap is a good color and texture match to the face, and surpasses other flaps in reconstruction of the mustache or beard in male patients.

Humans↗
PubMed1998

Long-term follow-up of a patient with Romberg's disease reconstructed with free groin flaps.

Sixteen years ago the result of an operation that was performed on a 5-year-old boy with Romberg's disease was described in this journal. Nineteen years have passed since the first operation, and the authors now report the long-term follow-up. The volume of the transferred free groin flaps was maintained. Although these flaps covered the patient's atrophic tissues as vascularized tissues, these flaps could not normalize the atrophy of the surrounding tissues, especially the bone. As for the orbital content, bony atrophy was more remarkable than the other tissues.

Atrophy↗
PubMed1996

Temporoparietal sandwich technique in acute avulsion injury of the hand.

In degloving injuries of the hand, rehabilitation can be delayed due to poor wound healing and partial flap necrosis, if the avulsed tissue is sutured back primarily. By sandwiching a temoroparietal fascial flap between the avulsed flap and the tendons, rehabilitation can be started immediately, even if flap necrosis is present.

Accidents, Occupational↗
PubMed1996

Selection of appropriate recipient vessels in difficult, microsurgical head and neck reconstruction.

In a series of 327 cases of head and neck microsurgical reconstruction during 22 years beginning in 1974, the authors have reviewed 16 cases in which the first choice of recipient vessels was not available. The problems of selecting alternative and appropriate recipient vessels are discussed. Recipient vessels could be classified into three groups: adjacent small vessels that are usually considered to be the first choice; major vessels; and distant vessels. A correlation between the selection of substitute vessels and the region of reconstruction was found. Representative cases in each category are presented. In difficult cases in freeflap transfer, it is of prime importance to select healthy recipient vessels. Additionally, special precautions, including choice of anastomotic technique, are required.

Adult↗
PubMed1996

How to harvest a septal chondromucosal graft.

A simple technique to facilitate easier harvesting of a septal chondromucosal graft is presented. Turning over the ala (like a swinging door) using a perialar incision greatly helps easy harvesting of the graft under extremely good direct vision.

Adult↗
PubMed1994

Reconstruction of a floating thumb with an excess big toe.

In a three-year-11-month-old girl, an excess big toe was transferred microsurgically to replace a congenital floating thumb. The reconstructed thumb was evaluated nine years after the transfer. It showed almost normal growth, compared with the contralateral side, and the aesthetic result was excellent. However, the patient does not use the reconstructed thumb with much skill. The reasons for this are discussed, and the importance of performing surgery early in life is stressed.

Age Factors↗
PubMed1994

Microarterial anastomosis with a distal tapering technique.

In microsurgical arterial anastomoses, there are some occasions in which the diameter of the distal artery is much larger than that of the proximal one. A fish-mouth incision technique is useful when there is considerable size discrepancy. However, this method cannot be used when the distal artery is much larger than the proximal artery because turbulent flow and thrombus formation occur, due to the sudden increase of luminal diameter. The distal tapering technique is recommended to prevent turbulent flow. A wedge resection is performed in the distal surplus vessel wall, and there is no sudden change in luminal diameter. Two clinical cases are presented in which this technique was used effectively.

Adult↗
PubMed1994

Which vessel is more important in the supercharged flap--artery, vein, or both? An experimental study.

The supercharged flap is one which is expected to attain better survival, by anastomosing the distal vessels of the flap to the recipient vessels. An experimental study is reported to determine whether the vessel to be anastomosed should be an artery, a vein, or both. The authors advise anastomosing an artery and a vein, but they believe that arterial inflow is more important than venous drainage.

Animals↗
PubMed1993

An experimental study of delay of flow-through venous flaps.

A delayed procedure was performed in flow-through venous flaps made in rabbits' ears. Compared with undelayed venous flaps, the delayed flaps at 7, 14 and 21 days after delay showed a distinct increase of survival area. This effect increased with the delay period.

Animals↗
PubMed1993

Omentum as gliding material after extensive forearm tenolysis.

Tendon adhesion occurring after major replantation can be severe and extensive due to the nature of the trauma, ischaemia, prolonged oedema and/or infection. Therefore there is a high possibility of re-adhesion after tenolysis. In two cases of tenolysis after forearm replantation omentum was used as gliding material and good results were obtained.

Adult↗
PubMed1993

Ear-piercing technique by using an eyelet-type Teflon piercer (Eyelet-Piercer).

We devised a new method of piercing earlobes. This method, in which an eyelet-shaped Teflon tube (Eyelet-Piercer) is left in the earlobe continuously, is advantageous in that any type of pierced earrings the subject wishes can be used immediately after treatment and in that subjects with metal allergies can safely use pierced earrings. In addition, the incidence of complication was lower with this technique than with conventional methods that use metal earrings for piercing.

Ear, External↗
PubMed1993

Dermis-fat graft after parotidectomy to prevent Frey's syndrome and the concave deformity.

Dermis-fat grafts were performed on 7 patients at the time of parotidectomy to prevent Frey's syndrome and the characteristic concave deformity. Only 1 patient demonstrated postoperative Frey's syndrome, and 1 demonstrated a slightly concave deformity due to fat absorption. Although other barrier materials have been reported to achieve success in preventing gustatory sweating, our method simultaneously corrects the associated deformity of facial contour as well.

Adipose Tissue↗
PubMed1993

Microsurgical scalp and skull reconstruction using a serratus anterior myo-osseous flap.

In reconstruction of large scalp and skull defects, the usefulness of microvascular free tissue transfer is manifest. We have performed 4 scalp and skull reconstructions by free serratus anterior osteomuscle flap transfer. The usefulness of serratus anterior osteomuscle flap for reconstruction of combined, extensive scalp and skull defects is emphasized.

Brain Injuries↗