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Biomedical subjects

C Scott Hultman

Publications and source records attributed to C Scott Hultman.

17 recordsLinked to original sources

Skin cell suspension autograft as an evidence-based innovation in burn and wound treatment: A systematic review of global evidence across two decades.

BACKGROUND: Skin cell suspension autograft (SCSA) is a point-of-care approach to wound management facilitating epithelialization while reducing burden associated with conventional autografting. Despite growing clinical use of SCSA across diverse wound etiologies, the global clinical evidence describing its use has not yet been comprehensively synthesized. METHODS: A systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyzes (PRISMA) guidelines to identify studies between January 2000 and December 2024 reporting clinical use of SCSA for wound closure. Data on patient demographics, wound characteristics, and treatment methods were extracted. Clinical, safety, and health economic outcomes were extracted for comparative studies evaluating SCSA against control treatments. RESULTS: Ninety-nine studies across 13 countries were included. Across the overall dataset, SCSA was used alone or in combination with autografting for burns, surgical wounds, traumatic injuries, inflammatory conditions, and chronic wounds. Among comparative studies (n=27), SCSA consistently reduced donor skin, and healing outcomes favored SCSA in 61%, while 39% reported equivalent outcomes. Pain and esthetic outcomes more frequently favored SCSA, while safety outcomes were generally similar, with some studies favoring comparators. Health-economic outcomes suggested potential reductions in length of stay and resource utilization, although findings were variable across studies. CONCLUSION: The available global evidence supports SCSA as a versatile modality for supporting epidermal coverage across wound types and clinical contexts. However, the findings should be interpreted in the context of the limitations of this review, which include heterogenous study designs, variable outcome reporting, predominance of non-randomized data, and the absence of a formal quantitative analysis. Nevertheless, the demonstrated clinical and economic benefits in comparative studies reinforce the role of SCSA as an evidence-based innovation for burn and wound treatment.

Humans↗

Restoration of fecal continence after functional gluteoplasty: long-term results, technical refinements, and donor-site morbidity.

PURPOSE: For patients with severe fecal incontinence, reconstruction of the anal sphincter, via gluteoplasty, may improve quality of life, but little is known about long-term functional results. We present our comprehensive experience with gluteoplasty, highlighting technical refinements, donor-site morbidity, and functional outcomes. METHODS: We performed a retrospective analysis of 25 consecutive patients (22 female, 3 male; mean age 42 years, range 23-65) undergoing gluteoplasty for fecal incontinence at a university teaching hospital from 1996-2004. Etiology of incontinence was as follows: obstetrical injury (n = 13), irritable bowel syndrome (n = 3), previous rectal surgery (n = 3), Crohn disease (n = 3), impalement (n = 1), rectocele (n = 1), and idiopathic (n = 1). RESULTS: Gluteoplasty was successful in restoring fecal continence in 18 patients (72%) and was partially successful in 4 patients (16%). Two patients required permanent ostomy because of refractory incontinence. Donor-site morbidity and perirectal complications were observed in 16 patients (64%) and included dysthesias (n = 7), cellulitis (n = 5), irregular contour (n = 3), abscess (n = 2), seroma (n = 2), fistula (n = 1), but no hip dysfunction or altered gait. Mean length of follow-up was 20.6 months (range: 3-68 months). CONCLUSIONS: Despite a high incidence of donor-site and perirectal complications, unilateral functional gluteoplasty was successful in restoring long-term fecal continence in most patients.

Adult↗

Salvage of infected spinal hardware with paraspinous muscle flaps: anatomic considerations with clinical correlation.

PURPOSE: Infected spinal stabilization devices represent a significant reconstructive challenge by threatening spinal stability and increasing the risk of neurologic complications. This study provides an anatomic and clinical investigation of posterior midline trunk reconstruction using paraspinous muscle flaps as the primary method of repair. METHODS: We retrospectively analyzed a series of 25 consecutive patients (mean age, 57.2 years; range, 32-78 years) with complex spinal wounds, reconstructed with paraspinous muscle flaps, at a single university healthcare system. To help define the versatility of these muscle flaps, we also performed cadaveric dissections with lead oxide injections in 10 specimens, with an emphasis on regional blood supply, flap width, and arc of rotation. RESULTS: From 1994 to 2000, we successfully reconstructed 25 patients with complex spinal wounds, using 49 paraspinous muscle flaps as the primary method of reconstruction. Hardware present in 22 patients was replaced or retained in 17 cases. Long-term spinal fusion with preservation of neurologic status was observed in all patients, with no cases of dehiscence or reinfection. Wound complications included cerebrospinal fluid leak (1), skin necrosis (1), sinus tracts (3), and seroma (2). Mean length of stay was 24 days (range, 8-57 days). One postoperative death occurred. Paraspinous dissections and injections confirmed a segmental type IV blood supply with medial and lateral perforators, arising from intercostal vessels superiorly and lumbar and sacral vessels inferiorly. Flap width was 8 cm at the sacral base, 5 cm at the level of the inferior scapular angle, and 2.5 cm at the first thoracic vertebra. CONCLUSIONS: Paraspinous muscle flaps can be used as the primary reconstructive option to cover and preserve spinal hardware, control local infection, and enable long-term spinal stabilization. Cadaveric dissections confirmed the usefulness of paraspinous flaps, which can be based upon lateral or medial perforators and can be safely mobilized to reliably reconstruct complex spinal wounds.

Adult↗

Staged sentinel lymph node biopsy before mastectomy facilitates surgical planning for breast cancer patients.

BACKGROUND: In patients with breast cancer who choose mastectomy with immediate reconstruction, the sentinel lymph node (SLN) status on permanent histology may complicate treatment if a metastasis is found. The purpose of this study was to determine how performing an SLN biopsy (SLNB) before the definitive operation would influence subsequent surgical procedures. METHODS: Our SLN database was searched for patients who underwent staged SLNB with subsequent mastectomy between 2001 and 2004. RESULTS: Twenty-five patients with 27 breast cancers underwent SLNB before mastectomy. Of them, 9 of 27 (33%) were node positive. All 9 patients underwent modified radical mastectomy. Three node-positive patients did not undergo immediate reconstruction. Of the remaining 6 node-positive patients, 5 underwent reconstruction with autologous tissue rather than a tissue expander. In contrast, 6 of 16 (37%) node-negative patients underwent reconstruction with a tissue expander. CONCLUSIONS: Staged SLNB assists in selecting the appropriate operation in patients who are considering immediate reconstruction.

Adult↗

Multidisciplinary approach to abdominal wall reconstruction after decompressive laparotomy for abdominal compartment syndrome.

INTRODUCTION: Decompressive laparotomy for abdominal compartment syndrome has been shown to reduce mortality in critically ill patients, but little is known about the outcome of abdominal wall reconstruction. This study investigates the role of plastic surgeons in the management and reconstruction of these abdominal wall defects. METHODS: We performed a retrospective review of 82 consecutive critically ill patients who underwent decompressive laparotomy for abdominal compartment syndrome, at a university level 1 trauma center, from April 2000 to May 2004. Patients reconstructed by trauma surgeons alone (n = 15) were compared with patients reconstructed jointly with plastic surgeons (n = 12), using Student t test and chi analysis. RESULTS: Eighty-two patients underwent decompressive laparotomy for abdominal compartment syndrome, yielding 50 survivors (61%). Of the 27 patients who underwent abdominal wall reconstruction, 6 had early primary fascial repair, and 21 had staged reconstruction with primary fascial closure (n = 4), components separation alone (n = 3), components separation with mesh (n = 10), or permanent mesh only (n = 4). Compared with patients whose reconstruction was performed by trauma surgeons, patients who underwent a combined approach with plastic surgeons were older (50.5 versus 31.7 years, P < 0.05), had more comorbidities (P < 0.001), were less likely to have a traumatic etiology (P < 0.001), had a longer delay to reconstruction (407 versus 119 days, P < 0.05), and were more likely to undergo components separation (P < 0.05). Mean follow-up of 11.5 months revealed 2 recurrent hernias in the combined reconstruction group, both of which were successfully repaired. CONCLUSIONS: A multidisciplinary approach is essential to the successful management of abdominal wall defects after decompressive laparotomy for abdominal compartment syndrome. Although carefully selected patients can undergo early primary fascial repair, most of reconstructed patients had staged closure of the abdominal wall via components separation, with a low rate of recurrent hernia. High-risk patients with large defects and comorbidities appear to benefit from the involvement of a plastic surgeon.

Abdomen↗

STARplasty for reconstruction of the burned web space: introduction of an alternative technique for the correction of dorsal neosyndactyly.

INTRODUCTION: Significant hand burns frequently result in dorsal neosyndactyly, despite appropriate wound care, excision/grafting, and occupational therapy. Patients often develop limited abduction, tethered flexion/extension, intrinsic tightness, and inversion of the web space. We present a new technique for neosyndactyly release: the STARplasty (Syndactyly Treatment After Release), named after the appearance of the reconstructed web. METHODS: We performed a retrospective review of 25 patients who underwent 66 web space reconstructions by a single surgeon, from January 2002 to December 2003. The STARplasty was developed prior to the study period, with the following goals: to use local tissue, negate the need for a skin graft, and permit early range of motion. Combined with longitudinal, transverse, and oblique releases, STARplasty uses a single volar flap, harvested from each sidewall of both proximal phalanges, with 30-degree corners. STARplasty simultaneously deepens and widens the web space while correcting the angle of inclination. RESULTS: Sixteen patients (mean age: 34 years; range: 3-62 years) underwent a total of 33 STARplasties, an average of 37 months after burn injury. Mean area resurfaced per web was 5.2 cm, which contrasts with the 33 non-STARplasty reconstructions, which were used to resurface a mean area of 19.4 cm (P < 0.05) and included 5-flap z-plasties (17), full-thickness skin graft (10), 2-flap z-plasties (3), and advancement flaps (3). No complications occurred in the STARplasty group, including infection, flap loss, dehiscence, nerve injury, or recurrent contracture. All patients had improved function (mean follow-up: 6.7 months; range: 1-18 months). CONCLUSIONS: STARplasty is a new, safe, and efficacious technique to correct dorsal neosyndactyly and reconstruct the web space after burn injury.

Adolescent↗

Real-time monitoring of keratin 5 expression during burn re-epithelialization.

BACKGROUND: Keratin is a major protein produced during epithelialization following burn injury and is a useful marker for assessing wound healing. Transgenic mice expressing enhanced green fluorescent protein (EGFP) driven by the keratin 5 (K5) promoter (K5GFP mice) were used to monitor keratin expression, and thus, re-epithelialization of burn wounds. MATERIALS AND METHODS: K5GFP transgenic mice were created using conventional techniques, with PCR and Southern blot confirmation of transgene incorporation, followed by selection of the line with the most intense and consistent basal epithelial EGFP expression. Epi-fluorescent microscopy of 24 K5GFP mouse flanks and 10 negative littermate controls was used to characterize EGFP intensity, before wounding and serially for 30 days after administration of a standardized burn wound and excision. Biopsy sections of K5GFP and negative control mice were stained with K5 antibody and imaged with confocal microscopy to characterize the distribution of EGFP and K5 at baseline and after injury and to examine the correlation between K5 expression and EGFP expression during healing. RESULTS: Green fluorescence intensity increased at the advancing wound margin of burned K5GFP mice, reaching a maximum between days 12 and 15 post-burn and then decreasing as healing completed. K5 and EGFP expression increased in parallel in burned K5GFP mice as demonstrated by confocal microscopy. CONCLUSION: EGFP expression correlated with K5 expression during wound healing and therefore serves as a good marker of re-epithelialization. This transgenic model allows noninvasive, real-time assessment of in vivo K5 expression and will be useful in the study of wound healing.

Animals↗

Skin-sparing mastectomy flap complications after breast reconstruction: review of incidence, management, and outcome.

This study assesses the incidence and outcome of skin-sparing mastectomy (SSM) flap complications after breast reconstruction. The authors performed a retrospective review of 37 consecutive patients undergoing SSM and immediate breast reconstruction, focusing on preoperative demographics, management of complications, and early outcome. Univariate analysis comparing patients with and without complications was performed using Student's t-test and chi-square analysis. From July 2000 to December 2001, 37 patients (mean age 48.1, range 24-71 y) underwent SSM and breast reconstruction (unilateral 20, bilateral 17) via TRAM flaps (n = 18), latissimus flaps (n = 13), and expander/implants (n = 6). SSM flap complications occurred in nine patients (24.3%) and included mild (n = 2), moderate (n = 5), and severe (n = 2) skin loss, resulting in four cases of dehiscence, five reoperations, and no delay in postoperative adjuvant therapy (required in six patients). Previous irradiation (n = 5, p = 0.045) and diabetes (n = 3, p = 0.001) were associated with SSM flap complications, but age, smoking, previous breast cancer, and type of reconstruction were not. Patients with SSM flap loss had a higher body mass index (BMI) than those without complications (30.0 vs. 24.3; p = 0.025). Skin flap complications after SSM and breast reconstruction are not uncommon but did not delay the initiation of adjuvant chemotherapy or radiotherapy, despite the need for reoperation. Patients with elevated BMI, diabetes, and previous irradiation may be at increased risk for SSM flap complications.

Adenocarcinoma↗

Omental free flap reconstruction in complex head and neck deformities.

BACKGROUND: Microvascular free flaps continue to revolutionize coverage options in head and neck reconstruction. This article reviews our 25-year experience with omental free tissue transfers. METHODS: All patients who underwent free omental transfer to the head and neck region were reviewed. RESULTS: Fifty-five patients were included with omental transfers to the scalp (25%), craniofacial (62%), and neck (13%) region. Indications were tumor resections, burn wound, hemifacial atrophy, trauma, and moyamoya disease. Average follow-up was 3.1 years (range, 2 months-13 years). Donor site morbidities included abdominal wound infection, gastric outlet obstruction, and postoperative bleeding. Recipient site morbidities included partial flap loss in four patients (7%) total flap loss in two patients (3.6%), and three hematomas. CONCLUSIONS: The omental free flap has acceptable abdominal morbidity and provides sufficient soft tissue coverage with a 96.4% survival. The thickness \and versatility of omentum provide sufficient contour molding for craniofacial reconstruction. It is an attractive alternative for reconstruction of large scalp defects and badly irradiated tissue.

Adolescent↗

Utility of the omentum in the reconstruction of complex extraperitoneal wounds and defects: donor-site complications in 135 patients from 1975 to 2000.

OBJECTIVE: To examine donor-site complications after omental harvest for the reconstruction of extraperitoneal wounds and defects. SUMMARY BACKGROUND DATA: The omentum, with its immunologic and angiogenic properties, is a versatile organ with well-documented utility in the reconstruction of complex wounds and defects. However, the need for laparotomy and the potential for intraabdominal complications have been cited as relative contraindications to the use of the omentum as a reconstructive flap. Further, few series have assessed long-term results, and no reports have focused on donor-site complications. METHODS: Patients who underwent reconstruction of extraperitoneal defects with the omentum at a single university healthcare system were identified by searching discharge databases and office records. Charts were reviewed to determine patient demographics, surgical indications and technique, postoperative complications, and outpatient follow-up. Patients with donor-site complications were compared with patients who had no complications using the Student t test and chi-square analysis. Statistical significance was defined at P <.05. RESULTS: From 1975 to 2000, the authors successfully harvested 135 omental flaps (64 pedicled, 71 free transfer) for reconstruction of the following defects: scalp (n = 16), intracranial (n = 1), orbitofacial (n = 33), neck (n = 8), upper extremity (n = 7), lower extremity (n = 4), intrathoracic (n = 3), sternal (n = 34), breast (n = 3), chest wall (n = 18), abdominal wall (n = 1), and perineal (n = 7). Donor-site complications in 25 patients (18.5%) included abdominal wall infection (n = 9), fascial dehiscence (n = 8), symptomatic hernia (n = 8), unplanned reexploration (n = 6), postoperative ileus (n = 3), gastrointestinal hemorrhage (n = 2), delayed splenic rupture (n = 1), gastric outlet obstruction (n = 1), and late partial small bowel obstruction (n = 1). Factors associated with increased donor-site complications included the use of pedicled flaps (compared with free tissue transfer), mediastinitis, advanced age, and pulmonary failure. Of note, 53 patients had undergone previous abdominal surgery; of these, 26 patients required extensive adhesiolysis and 4 patients sustained enterotomies. Eleven patients (8.1%) had partial flap loss and three patients (2.2%) had total flap loss. Mean length of stay was 28 days. Average follow-up was 2.4 years. The death rate was 5.9%. CONCLUSIONS: The omentum can be safely harvested and reliably used to reconstruct a diverse range of extraperitoneal wounds and defects. Donor-site complications can be significant but are usually limited to abdominal wall infection and hernia. Risk factors associated with complications include the use of pedicled flaps, mediastinitis, and pulmonary failure. This low rate of donor-site complications strongly supports the use of the omentum in the reconstruction of complex wounds and defects.

Adolescent↗

Significance of intraabdominal compartment pressures following TRAM flap breast reconstruction and the correlation of results.

Abdominal wall closure after transverse rectus abdominis myocutaneous (TRAM) flap breast reconstruction is often performed under considerable tension and may theoretically cause a component of abdominal compartment syndrome. This prospective study examined intraabdominal pressure after TRAM reconstruction and correlated the findings with clinical course and outcome. All patients who underwent pedicled TRAM flap breast reconstruction from November of 1999 to December of 2000 (n = 77) were included and compared with nonoperative controls (n = 24). Intraabdominal pressures were measured indirectly using the urinary catheter in the postanesthesia care unit on postoperative days 1 and 2. Outcome measures included vital signs, urinary output, net 24-degree fluid balance, and complications. The preoperative variables were age, body mass index, parity, and presence of an epidural. For statistical analysis, the TRAM patients were divided into three groups on the basis of type of closure (bipedicle, unipedicle, and mesh), which were compared by analysis of variance. A multivariate logistic regression was performed to identify risk factors for patients with intraabdominal pressures > or =20 mmHg who were thought to have a component of abdominal compartment syndrome. The incidence of complications was compared by chi-square, with statistical significance determined for p < 0.05. Average intraabdominal pressures were significantly higher in the bipedicled TRAM (14.1 mmHg) and unipedicle TRAM (9.9 mmHg) groups when compared with the mesh group (5 mmHg) and controls (3.7 mmHg; p < 0.001). Increased intraabdominal pressure was transient and peaked on postoperative day 1. Elevated pressure was associated with decreased urinary output, decreased net fluid balance, and increased respiratory rate. Patients with intraabdominal pressures > or =20 mmHg (n = 10) had a higher incidence of complications (60 percent) compared with patients who had pressures <20 mmHg (18 percent; p < 0.05). Elevated intraabdominal pressures were strongly associated with donor-site and general complications. Positive predictive factors for elevated pressure included body mass index and type of closure (bipedicled or bilateral). Multiple pregnancies seemed to have a protective effect.A transient component of abdominal compartment syndrome does exist after TRAM flap breast reconstruction. Bipedicle closure, nulliparous women, and increased body mass index were risk factors for elevated intraabdominal pressures. Tension-free mesh closure seemed to have a protective effect. Symptomatic trends and certain complications were associated with, and possibly explained by, an elevated intraabdominal pressure.

Abdomen↗

Endoscopic techniques in breast reconstruction.

Similar to other surgical disciples, plastic surgery has recently benefited from the introduction and application of endoscopic technologies. The creation and shaping of the reconstructed breast can now be performed via shorter, more remote incisions, which can be re-located to areas of improved cosmesis and improved wound healing. This less invasive approach to breast reconstruction (and the associated symmetry procedures) provides the opportunity for less tissue trauma and enhanced visualization. Such benefits may translate into quicker patient recovery and decreased operative morbidity.

Journal Article↗

Eczema mimicking child abuse: a case of mistaken identity.

Many skin conditions can mimic child abuse by burning. Multidisciplinary evaluation of suspicious burns helps prevent both the underreporting and the misdiagnosis of child abuse by burning. We report a case of pediatric eczema mimicking an abusive burn.

Burns↗