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Biomedical subjects

M A Schusterman

Publications and source records attributed to M A Schusterman.

At least 73 records · Page 4Linked to original sources
PubMed1992

Total reconstruction of the hypopharynx and cervical esophagus: a 20-year experience.

We have reviewed 145 patients who underwent 148 total reconstructions of the hypopharynx and cervical esophagus between 1970 and 1989. The types and numbers of reconstruction included 45 deltopectoral (DP) flaps, 35 musculocutaneous (MC) flaps, 19 colon interpositions, 23 gastric transpositions, and 26 free jejunal transfers. Median hospitalization was 51 days for DP flaps, 24 days for MC flaps, 28 days for colon, 30 days for gastric, and 14 days for jejunum. Median resumption of oral intake was 92 days for DP flaps, 19 days for MC flaps, 12 days for colon, 13 days for gastric, and 9 days for jejunum. Functional failure, defined as the inability to maintain adequate nutrition without tube feedings, was 40% for MC flaps, 42% for colon interposition, 17% for gastric transposition, and 20% for free jejunal transfer. Microvascular free jejunal transfer has become our method of choice for reconstruction of the hypopharynx and cervical esophagus. Gastric transposition is an alternative when resection of the thoracic esophagus is necessary.

Adenocarcinoma↗
PubMed1992

The osteocutaneous free fibula flap: is the skin paddle reliable?

This clinical and anatomic study was undertaken to see if the skin paddle of the osteocutaneous fibula flap could be made more reliable. Eighty cadaver limbs were dissected to evaluate the type, number, and location of the cutaneous perforators supplying the lateral leg. Three types of perforators were identified: septocutaneous, musculocutaneous, and a type we termed septomuscular, which does not actually run within the muscle substance but is adherent to the muscle. Although not a true musculocutaneous perforator, it should be treated as such clinically. Musculocutaneous perforators were found to be more numerous and more proximal than the septocutaneous perforators. Eighteen clinical cases demonstrate a 33 percent skin paddle survival when dissected as a septocutaneous flap and a 93 percent skin paddle survival when dissected as a septomusculocutaneous flap. In using the osteocutaneous fibula flap, it is recommended that a cuff of soleus and flexor hallucis longus be incorporated into the flap to help ensure flap viability.

Bone Transplantation↗
PubMed1992

Immediate breast reconstruction: why the free TRAM over the conventional TRAM flap?

Use of the transverse rectus abdominis myocutaneous (TRAM) flap for immediate breast reconstruction is controversial because of fear of flap loss and concern that a high complication rate could interfere with adjuvant therapy. One common complication of the TRAM, partial flap necrosis, can interfere with both institution of postoperative therapy and evaluation for recurrence. In an attempt to minimize this problem, we began using the free TRAM flap based on the inferior deep epigastric vessels. This study compares our experience with conventional superior-pedicled (cTRAM) flaps and free TRAM (fTRAM) flaps. A total of 68 breasts were reconstructed in 63 patients, of which 48 of 68 (71 percent) were conventional TRAM flaps and 20 of 68 (29 percent) were free TRAM flaps. Of the 48 conventional TRAM flaps, 26 (54 percent) were unipedicled and 22 (46 percent) were bipedicled. There were 39 of 48 (81 percent) conventional TRAM flaps and 17 of 20 (85 percent) free TRAM flaps with T1 or T2 lesions. Node-positive patients occurred in 14 of 48 (29 percent) conventional TRAM flaps and 2 of 20 (10 percent) free TRAM flaps. One-fourth of patients in both groups smoked cigarettes. Twenty-one of 48 patients (44 percent) with conventional TRAM flaps required postoperative chemotherapy, and 6 of 21 (29 percent) were delayed because of complications of the TRAM flap. Of the 7 of 20 (35 percent) free TRAM flap patients who required post-operative chemotherapy, only 1 of 7 (14 percent) was delayed because of TRAM flap complications.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1991

Intraoral soft tissue reconstruction after cancer ablation: a comparison of the pectoralis major flap and the free radial forearm flap.

We compared, by retrospective chart review, the free radial forearm flap and the pectoralis major flap in repairing intraoral soft tissue defects resulting from tumor ablation. Statistical significance of differences was determined using Fisher's exact test and chi-square analysis. Fifty-one free flap and 126 musculocutaneous flap transfers were analyzed. The former were used more often for defects in the anterior part of the oral cavity, whereas the latter were used more frequently in the posterior part. Significantly more patients with pectoralis major flap transfers had late-stage (T3 and T4) disease than did those in the free radial forearm flap group (p = 0.004). Also, the complication rate was significantly higher in the pectoralis major flap group (p = 0.01); this was due to differences in the rates of dehiscence, fistula formation, and flap loss. We thus conclude that, despite the need for microsurgery, the free radial forearm flap is at least as reliable as the pectoralis major flap and that the choice of flap should be based on defect considerations rather than on the perceived reliability of the reconstructive method.

Chi-Square Distribution↗
PubMed1991

Reconstruction strategy for temporal bone and lateral facial defects.

Large or recurrent tumors of the auricular and parotid areas sometimes require resections involving the temporal bone and adjacent structures, including the facial nerve, the auditory apparatus, ascending ramus of the mandible, and the temporomandibular joint. At times, these resections can include the skull and even the underlying dura. Although these massive resections can provide good palliation and sometimes cure for these advanced patients, incumbent on the strategy for this treatment is a reliable one-stage technique for repair of the resultant defect. We have found the use of free-tissue transfer and the pectoralis muscle flap to be useful in the reconstruction of these defects. The pectoralis muscle flap is used when the defect is at or inferior to the external auditory meatus. More cephalad lesions require free-tissue transfer; for small surface area defects, the free scapular flap has been found to be useful, whereas for larger surface area defects, the free latissimus muscle flap with overlying skin graft has been used with good success. This paper is a report of our experience with this strategy in 14 patients. Our results are discussed and 3 patients are presented.

Adult↗
PubMed1991

Use of the AO plate for immediate mandibular reconstruction in cancer patients.

Free vascularized bone grafts have revolutionized mandibular reconstruction, yet their use in all mandibulectomy patients is not always necessary. A recently developed alternative to bony reconstruction has been the use of the AO reconstruction plate. We compared the use of the AO reconstruction plate with immediate free bone graft mandibular reconstruction in 31 patients. Reconstruction plates were used in 20 and immediate free bone grafts were used in 11 patients. The overall success rate for use of the plate was 15 of 20 (75 percent). There were 6 anterior reconstructions, of which only 2 (33 percent) were successful. This is opposed to 13 of 14 (93 percent) lateral reconstructions that were successful in lateral plate placements. There were 11 immediate composite free flaps: 4 iliac crest, 4 scapula, 2 fibula, and 1 composite radial forearm flaps. Six repairs were for anterior defects, and there were 5 full-thickness defects, 3 of which were in the anterior position. All 11 flaps were successful. In conclusion, we believe the reconstruction plates are a useful adjunct for mandibular replacement in the head and neck cancer patient but should be reserved for lateral defects. For anterior reconstructions, even in patients with locally advanced disease, free-tissue transfer of composite osteocutaneous flaps is the reconstructive method of choice.

Bone Plates↗
PubMed1991

The oncologic risks of skin preservation at mastectomy when combined with immediate reconstruction of the breast.

Most oncologic surgeons agree that removal of the nipple, the areola and any recent scar at the site of the biopsy is necessary during a mastectomy for treatment of carcinoma of the breast. There is less agreement about what should be done with the remaining uninvolved mammary skin. Its preservation facilitates the performance of immediate reconstruction of the breast and can lead to improved aesthetic results, but many oncologists fear that this practice could lead to an increased incidence of local tumor recurrence. To determine if that fear was justified, 87 patients who had undergone unilateral or bilateral mastectomy with immediate reconstruction for treatment of early carcinoma of the breast were studied. Preservation of uninvolved skin was used in all instances. All patients had a documented follow-up study of 12 months or more; the average follow-up time was 23.1 months. One peripheral local recurrence was observed. This 1.2 per cent rate of early local recurrence is lower than that reported from several series using modified radical mastectomy without skin preservation or immediate reconstruction, and suggests that skin preservation does not confer additional risks of local recurrence of carcinoma of the breast in properly selected patients.

Breast Neoplasms↗
PubMed1990

The role of the plastic surgeon in the treatment of Gardner's syndrome: a report of two cases.

Gardner's syndrome is a hereditary disease manifested by multiple colonic polyps that progress to malignancy at an early patient age and also manifested by multiple lesions of the different germ layers including sebaceous cysts, lipomas, fibromas, and osteomas of the facial bones. The plastic surgeon often is asked to treat these patients for the more mundane manifestations of the disease such as inclusion cysts or lipomas. At times, however, the plastic surgeon may be faced with an unusual presentation. Two such unusual cases are presented here, the first being a hemangioma of the hand, which has never been described in a patient with Gardner's syndrome, and the second being a fibroma of the left cheek requiring excision by an intraoral approach.

Adult↗
PubMed1990

Reconstruction of the cervical esophagus: free jejunal transfer versus gastric pull-up.

Use of enteric grafts is a popular method for reconstruction of the cervical esophagus and hypopharynx. Free jejunal transfer (FJT) and gastric pull-up (GP) are the most popular methods used. This discussion is a retrospective review of our experience with 50 cases of free jejunal transfer and 15 cases of gastric pull-up. The graft survival rate was 94 percent (47 of 50) for free jejunal transfer and 87 percent (13 of 15) for gastric pull-up. Successful swallowing was achieved in 88 percent (44 of 50) of free jejunal transfers and 87 percent (13 of 15) of gastric pull-ups. Patients with free jejunal transfers were able to swallow and leave the hospital sooner: 10.6 versus 16.0 days and 22.3 versus 29.0 days, respectively. Fistulas occurred in 16 percent (8 of 50) of free jejunal transfers, most of which (6 of 8) healed spontaneously. Fistulas occurred in 20 percent (3 of 15) of gastric pull-ups, only one of which healed spontaneously. Stricture was the most common late complication for free jejunal transfers, 22 percent (11 of 50), whereas reflux was most common in gastric pull-ups, 20 percent (3 of 15). In patients with advanced cancer, extensive esophageal resection into the chest is often required, and gastric pull-up seems to be an easier and more direct form of reconstruction. In limited resection of the hypopharynx and esophagus, especially with proximal lesions, free jejunal transfer is simpler and avoids mediastinal dissection. This concept as well as other advantages and disadvantages of both techniques will be discussed.

Adolescent↗
PubMed1990

Long-term survival after chest-wall reconstruction with musculocutaneous flaps.

Reconstruction of chest-wall defects with musculocutaneous flaps permits resection of advanced chest-wall tumors and of tissues severely damaged by radiotherapy in patients who in a previous era were not surgically treatable. To determine the long-term outcome from this surgery, the records of 96 patients who had undergone chest-wall resection with musculocutaneous flap reconstruction were reviewed. Median survival for the entire group was 20.5 months, but a more accurate prediction of outcome could be obtained by dividing the patients into three groups. In group I, patients free of known malignancy and undergoing resection of radionecrotic tissues, median survival was 60.0 months. In group II, patients with resectable disease and free of tumor following surgery, median survival was 31.1 months. In group III, patients incompletely resected or known to have metastatic disease following surgery, median survival was only 12.5 months. Even in group III, however, some individuals achieved prolonged survival and lasting benefits from the surgery, so these data should not be used to exclude patients from undergoing necessary palliative procedures.

Analysis of Variance↗
PubMed1990

Jejunal interposition for repair of stricture or fistula after laryngectomy.

Complications following total laryngectomy may include pharyngocutaneous fistula or pharyngeal stricture. Traditional techniques of repair of fistula and stricture with local or regional flaps lead to a high rate of failure. In this study, we report 18 patients treated by secondary jejunal interposition (JI) to rehabilitate swallowing following recalcitrant postlaryngectomy stricture or fistula. All patients had undergone total laryngectomy with or without partial pharyngectomy for treatment of squamous cell carcinoma of the larynx (8) or hypopharynx (10). Four were stage II; 5, stage III; and 9, stage IV. Thirteen patients (72%) regained swallowing function. Complications of secondary JI included perioperative death (2), flap loss (1), and persistent fistulas (3). Jejunal interposition may be the best modality in the rehabilitation of swallowing in patients with persistent fistula or stricture that fails to respond to traditional management.

Aged↗
PubMed1989

Hypopharyngeal reconstruction: a comparison of two alternatives.

Gastric pull-up or free jejunal interposition was used for reconstruction after total laryngopharyngectomy in 31 patients. Complications and functional outcomes of the two methods are compared. Primary swallowing was achieved in 86% of patients after gastric pull-up and in 82% of patients after jejunal interposition. Patients who underwent jejunal interposition were able to swallow sooner and had a shorter hospital stay than patients who underwent gastric pull-up. Esophageal tumor recurrence after jejunal interposition was not observed. Hepatic failure occurred in two gastric pull-up patients, leading to perioperative death in one. Flap necrosis occurred in two jejunal interposition patients and one gastric pull-up patient. Two additional fistulas occurred in jejunal interposition patients as a result of microvascular complications. Stricture developed in four jejunal interposition patients, requiring revision surgery in two. Minor complications were more common in the gastric pull-up group. Long-term speech and swallowing function are compared. Our current choice of jejunal interposition or gastric pull-up for reconstruction after total laryngopharyngectomy primarily depends on the location of the tumor.

Aged↗
PubMed1988

Immediate microvascular reconstruction of combined palatal and midfacial defects using soft tissue only.

Maxillary and midface defects with or without orbital involvement are disfiguring and disabling problems especially in the elderly cancer patient. Often, palatal prostheses are required to enable speech and swallowing. Elderly patients or those with compromised vision often find these appliances cumbersome and difficult to manage. To help obviate these problems a one-stage method of immediate palatal reconstruction was needed to obturate the palate and restore facial contour. Over the past 18 months six patients have undergone immediate reconstruction of complex, composite defects of the maxillary and midface structures after tumor extirpation, three of which extended into the orbit. The latissimus dorsi musculocutaneous flap was utilized because of its bulk, reliable anatomy, ample pedicle length and diameter, and minimal donor site morbidity. No flap loss, suture line dehiscence, or infection occurred. All patients were capable of deglutition and intelligible speech. This technique is a one-stage reconstruction of the palate and accompanying defects of the midface and maxilla that obviates the need for cumbersome palatal appliances.

Carcinoma, Squamous Cell↗
PubMed1988

Immediate microvascular reconstruction of combined palatal and midfacial defects.

We describe a method for immediate one-stage reconstruction of combined palatal and midfacial defects using latissimus dorsi musculocutaneous free-tissue transfer. It has consistently provided healed wounds, restoration of palatal function, and preservation of facial contour while obviating the need for a palatal prosthesis. This reconstructive method, which uses only autogenous tissue, may offer a significant advantage in cases where more than a hemimaxillectomy is required, for compound defects resulting from the sacrifice of facial structures along with the maxillectomy, and in situations where the resection involves cranial base structures with a resultant need to separate the cranial contents from the oral and nasal cavities. Finally, it provides an alternative to prosthetic rehabilitation for the elderly patient with decreased or absent vision.

Facial Neoplasms↗
PubMed1985

Management of giant duodenal ulcer.

Giant duodenal ulcer is a variant of peptic ulcer that is 2 cm in diameter or greater and essentially replaces the duodenal bulb. Diagnosis by upper gastrointestinal series is often missed, due to the large size of the ulcer, which causes it to look like a scarred duodenal bulb or duodenal diverticulum. This study reviews our experience with 32 patients who presented with giant duodenal ulcer between 1963 and 1982. Seventy-five percent of the patients were men between 30 and 81 years of age (mean age 59 years). Gastrointestinal hemorrhage was a presenting symptom in 75 percent of the patients and free perforation in 9 percent. Diagnosis was made by upper gastrointestinal series (24 patients), and endoscopy (11 patients), alone or in combination. Three patients were diagnosed at surgery and one at necropsy. Mean size of the ulcer was 3.5 cm in diameter, range 2 to 6 cm. Twenty-four patients were initially managed medically (mean length of treatment 41 months), with 2 deaths (hemorrhage) and 20 recurrences (83 percent). Twenty-seven operations were required in 25 patients. In 17 of the 25, medical treatment had failed. Seven of these patients required emergency surgery. Eight patients were managed primarily by surgery, of whom five presented emergently. There were three deaths in the surgical group after emergency surgery. In two of these patients, medical treatment had failed. There were no deaths among the elective surgery group. Twenty-five of the 27 operative procedures were definitive, acid-reducing operations (15 vagotomy and antrectomy and 10 vagotomy and drainage). Two patients underwent emergency exploration and oversewing of a giant perforated ulcer alone, and both patients required subsequent surgery because of symptoms. The results indicate that giant duodenal ulcer should be primarily surgically managed and that an acid-reducing procedure should be performed during primary surgery. These patients do very poorly with medical therapy, and the mortality rate is increased if emergency surgery is required for hemorrhage. Medical treatment alone is associated with a high morbidity (92 percent). Should operation be required, a definitive acid reduction operation is the procedure of choice.

Adult↗