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Cooper's posterior lamina of transversalis fascia.

The original description of the transversalis fascia and the internal inguinal ring by Astley Cooper in 1804 is recounted along with the immediate recognition of its importance by other surgical anatomists. The description he made in 1807 of two laminae has been essentially ignored or denied. The deep posterior lamina has been confused with a membranous condensation in the preperitoneal fascia. However, Lytle and Fowler reported a secondary or deeper internal ring and Mackay described the inferior epigastric artery perforating the transversalis fascia at its origin and then coursing cephalad on it to enter the rectus sheath anterior to the arcuate line. My experience with preperitoneal exposure of groin herniae, from the anterior and posterior approach, has demonstrated a posterior lamina deep to the epigastric vasculature attached to the pubic ramus. Repair of inguinal herniae should begin in the preperitoneal layer internal to Astley Cooper's bilaminar transversalis fascia and the epigastric vessels. This will ensure ligation of any peritoneal sac within the iliac fossae, as recommended by Bassini, or internal to the false neck, as described by Henry. This is the avascular, fissile, envelope in which Stoppa has so successfully placed prostheses.

Anatomy↗

Long-term persistence of fascia lata patch graft in glaucoma drainage device surgery.

PURPOSE: Conjunctival erosion in glaucoma drainage device surgery can be prevented by the use of patch grafts to cover the extraocular portion of the tube. Several materials can be used, among them human preserved fascia lata. METHODS: The authors present a case of a failed Ahmed glaucoma valve due to encapsulation of the bleb, in which the fascia lata patch placed to cover the tube was removed 32 months later, during the implantation of a second glaucoma drainage device. RESULTS: Histopathologic examination of the fascia lata patch demonstrated its persistence, without degradation or cellular infiltration. CONCLUSIONS: Human preserved fascia lata is a suitable material for tube covering in glaucoma drainage device surgery, with long-term survival.

Acute Disease↗

[Experimental study on the skeletal muscle reconstruction with autologous fascia as a scaffold].

OBJECTIVE: To explore the feasibility of autologous fascia as a scaffold for the reconstruction of skeletal muscle in vivo. METHODS: Twenty-eight healthy New Zealand rabbits were employed in the study. The anterior tibial muscle in both legs were divided to create a gap of 10 mm in each muscle. One leg was used in the experiment (E, n = 28), while the contralateral as self-control (C). The legs in C group were further divided into 3 groups (C1, C2 and C3). While defects in the midportion of anterior tibial muscle in the hind legs were created in all rabbits. In E group, each defect was filled with a tubule made of autologous fascia lata, and the fascial tubule was filled with tiny muscular granules (< 1 mm x 1 mm x 1 mm). In C1 group (n = 10), the defect was also filled with fascial tubule but with no muscle filling. The defect in C2 group (n = 10) was only filled with muscle granules without fascial tubule. The defect in C3 group (n = 8) received no treatment. The survival rate of the transplantation was grossly observed, and the tissue samples were harvested for histological and ultra-structural examination and immunohistochemical identification of desmin at 2, 3, 4, 6 and 9 post-operation weeks. The expression level of alpha-actin DNA in the tissue samples from the midportion of grafted fascia was assessed by RT-PCR (reverse transcription polymerase chain reaction) in E and C1 groups. RESULTS: (1) Survival rate of the transplantation: In E group, it was 93.33% with near normal tissue contour in the grafting area. The muscle defects were not completely repaired in C1, C2 and C3 groups. (2) Under light and electronic microscopy, marked proliferation of muscular cells surrounding fibrous tissue could be discerned at 2 and 3 post-operation weeks in E group, while only necrotic tissue and fibrosis were observed in C1 and C2 groups, and no definite tissue could be discernible in C3 group. (3) Immunohistochemical staining revealed that over 85% of the cells were positive for desmin in E group, while only less than 25% in C1 group. (4) The expression level of alpha-actin DNA was significantly higher in E group than that in C2 group (P < 0.05). CONCLUSION: These results suggested that autologous fascia as a scaffold is beneficial for skeletal muscle reconstruction in vivo.

Animals↗

Underlay myringoplasty: comparison of human amniotic membrane to temporalis fascia graft.

Human amniotic membrane as a homograft material was compared to temporalis fascia to close tympanic membrane perforations in 50 patients with chronic otitis media. Human amniotic membrane was used in 20 patients while temporalis fascia was used in the remaining 30. Anatomical closure of the perforation and reduction of the air-bone gap was measured. The graft uptake showed a 65% success rate for the amniotic membrane and 56.7% for the temporalis fascia at 3 months post-operatively. Significant closure of air-bone gap was observed in the human amniotic group. These results indicate comparable outcomes between human amniotic membrane and the temporalis fascia graft.

Adolescent↗

Deep femoral lymphadenectomy with preservation of the fascia lata. Preliminary report on 42 invasive vulvar carcinomas.

Forty-two patients with primary invasive vulvar carcinoma were treated with radical vulvectomy and deep femoral lymphadenectomy with preservation of the fascia lata and cribriform fascia. The rationale for using this technique was based on anatomic knowledge of the topographic distribution of groin lymph nodes, which was confirmed by the study of 50 cadavers. The preliminary data show that the number of superficial and deep femoral lymph nodes removed from the 42 patients (mean number of nodes, 20; range, 8-32) was similar to the number reported in anatomy books. In addition, the five-year actuarial survival rate, 70%, was comparable to that in the literature. These preliminary results suggest that the surgical technique used in this study is as radical an oncologic procedure as Way's classic groin lymphadenectomy, which consists of removing the fascia lata and cribriform fascia.

Aged↗

Tumor to fascia margin as a factor in local recurrence after modified radical mastectomy.

A new problem has arisen for surgeons now that the pectoralis major muscle is routinely left in place after mastectomy. When the pathologist reports a tumor close to the fascial margin, there has been uncertainty regarding the significance of this finding. In the present study, the histories of 346 women with negative nodes who underwent modified radical mastectomy and had an uninvolved plane under the breast were reviewed. The distance from tumor to fascia was recorded by the pathologist, and the patients were divided into "Close" and "Not Close" groups. The "Close" group (90 patients) had tumors within one low power field (4 millimeters) of the fascia while the "Not Close" group (256 patients) had tumors more than 4 millimeters from the fascial margin. Twelve of the patients had local recurrence within an average follow-up period of 47 months, and a variety of analyses failed to show a statistically significant difference in local recurrence rates between the two groups. The results of this study indicate that tumor to fascia margin, as recorded by the pathologist, is not a strong determinant of local recurrence provided the areolar plane between the breast and the underlying fascia appears uninvolved at the time of mastectomy.

Axilla↗

[The fascia and perichondrium in reconstructive surgery of the middle ear].

Analysis of 140 patients operated on for chronic otitis media showed that the perichondrium possesses biological qualities similar to those of the fascia, although it is used less often. When using the fascia, perforations occurred in 16% of the operated patients, whereas when using the perichondrium the incidence was 20%. Improved hearing when using the perichondrium was observed in 69%, and when using fascia in 42%. Functional results with the perichondrium were much better than with the fascia.

Audiometry, Pure-Tone↗

[Features of the innervation of fascia and their microcirculatory bed in the rat].

By means of silver impregnation, methylene blue staining and using glyoxylic acid, the neural apparatus of the muscle fasciae in the shoulder girdle and back and their microcirculatory bed have been revealed in laboratory white rats. An uneven concentration of neuronal terminals makes the base of neurotissue interactions of the muscle fasciae of the shoulder girdle and the back of the rats. Only a small part of microvessels possesses neural elements. The fasciae and their microvessels are innervated both by sensitive and sympathetic neural fibers and their endings; they differ from each other morphologically and histochemically. The rat fasciae are useful objects for vital observations for behaviour both of the vascular nerves and the avascular areas.

Animals↗

The formation of abdomino-perineal sacs by the fasciae of Scarpa and Colles, and their clinical significance.

It has been shown that the membranous layer of the subcutaneous tissue, known as Scarpa's fascia, is confined to an oval area on each side of the abdominal wall. By its attachment to the deep fascia it encloses an obliquely directed oval sac which extends into the perineum by three pocket-like diverticulae. The fascial extension which forms the pockets is known as the fascia of Colles. Medially, the sac blends with the fundiform ligament, so that the sacs do not communicate with each other or with the interfascial space deep to the penile dartos. Laterally, the inferior margin creates the crease-line of the groin by its attachment to the fascia lata. Between these attachments the pockets arise from the sac. The lateral pocket continues into the superficial perineal pouch. The medial pocket, together with the intermediate, occupies the scrotum or labium majus. The intermediate pocket is associated with the spermatic cord or the round ligament of the uterus and blends with their coverings posteriorly. In the male it terminates just above the testis. The significance of the fascial arrangements in relation to urinary extravasation is discussed, and also the relationship of the intermediate pocket to an indirect inguinal hernia.

Abdominal Muscles↗

[Prefabrication of free fascia-based flaps: initial experience and prospects].

The authors describe an original method for preliminary formation, "prefabrication", of free fascia-skin flaps on the basis of the scapular fascia and the fascia covering the anterior serratus muscle. "Prefabrication" makes it possible to obtain tissue complexes with all the signs of flaps with axial circulation; with this method the surgeon has a wide choice of variants of the donor zones, the length of the vascular pedicle, and the texture of the flap skin. The principal distinction of the use of the fascia was two- or one-stage formation of microvascular anastomoses. The author discusses clinical cases in illustration of the "prefabrication" method.

Adult↗

[Anatomic characteristics of pelvic fascia and ligaments in computerized tomography].

The pelvic fascia consists of two layers, the parietal and the visceral layers I whose appendages represented by various septa and ligaments subdivide the pelvis in intra- and extraperitoneal spaces. These structures are extremely thin but can be demonstrated thanks to the high-quality images obtained with the latest CT scanners and to the good natural contrast of pelvic fat. To assess the visibility of the anatomic features of these structures, 50 patients with no pelvic conditions which could affect the thickness of the pelvic fasciae and ligaments were examined with CT. The pelvic visceral fascia was clearly demonstrated in 60% of cases, the rectovesical and rectovaginal septa and the medial umbilical ligaments were demonstrated in 100% and 92% of cases, respectively. The umbilico-prevesical fascia and the lateral umbilical ligaments were poorly demonstrated. The depiction of these structures improves the knowledge of pelvic anatomy and yields major pieces of information to better understand several pelvic conditions.

Adult↗

[Pelvic fascia, ligaments, and spaces in neoplastic disease in computerized tomography].

The fasciae and ligaments which are visible on CT images as extremely thin structures in normal conditions tend to appear thicker in such abnormal conditions as pelvic neoplasms and are therefore easily demonstrated on axial scans. To assess the CT patterns and the meaning of fascial thickening, the CT images of 40 patients with pelvic tumors (25 rectal, 7 uterine, 6 ovarian and 2 bladder lesions) were examined. Ten cases of peritoneal carcinomatosis with ascitis were also studied. The umbilico-prevesical fascia was demonstrated in 60% of cases, while the medial umbilical ligaments, the pelvic visceral fascia and the rectovesical and rectovaginal septa were detected in 90, 96 and 100% of cases, respectively. Fascial thickening is not a specific sign of neoplastic disease since it can be due to neoplastic infiltration or be the response to an irritative stimulus. Moreover, fascial thickening can be observed also in inflammatory conditions of the pelvis and following major traumas. Thickened fasciae and ligaments make the demonstration of paravesical, intra- and extraperitoneal spaces easier, which is useful to distinguish both etiology and site of pelvic fluid collections. All these pieces of information lead to better understanding pelvic abnormalities.

Adult↗

Modified method of vascular repair with autologous fascia and synthetic adhesive: an animal experiment.

Subsequent to arteriotomy of the common carotid artery on both sides in rats, the right common carotid was repaired by microvascular suture, and the left with autologous fascia and synthetic adhesive; the results of both types of repair were compared. The rats were sacrificed at weekly intervals for up to two months, and the arteries were examined for patency and histopathologic changes. The initial inflammation and wound healing were similar in both types of repair. Vessels repaired by fascia and adhesive had a prolonged period of perivascular inflammation and formation of a microcyst containing crystallized adhesive. After two months, the vessels were grossly normal showing only mild perivascular inflammation and residual microcysts. Microvascular suture was followed by medial displacement and fibrosis of the wall, resulting in marked narrowing of the lumen after two months. In our series, the results of repair with fascia and adhesive were considered satisfactory, and the pathologic changes were less severe than those reported in the literature. This could be ascribed to the use of a minimal amount of adhesive and of covering the vasculotomy opening with fascia before applying the adhesive so as to avoid contact between the adhesive and the cut edges of the vessel wall. This modified technique may be considered in the repair of intracranial vessels in emergency situations when microvascular suture is difficult or impossible.

Animals↗

Lid crease and capsulopalpebral fascia repair in congenital entropion and epiblepharon.

Forty-one eyelids of 21 patients with congenital entropion or epiblepharon underwent transcutaneous reconstruction of the eyelid crease and retractor (capsulopalpebral fascia). All of the patients demonstrated lack of cutaneous-capsulopalpebral fascia attachment. In contrast with the patients with epiblepharon, those with congenital entropion also had partial or complete absence of tarsal-capsulopalpebral fascia attachment. Surgical treatment included anastomosis of the capsulopalpebral fascia, tarsal border, and eyelid skin crease; no skin or muscle was removed. With a minimum follow up of 1 year, malposition recurred in 3 of the 33 (9%) eyelids with epiblepharon, and in none of the 8 eyelids with entropion.

Adolescent↗

Experimental study on protein transmission through the human muscle fascia: preliminary results and application theory in lymphedema.

The presence of proteins (albumin and globulins) in lymphedematous tissue not only gives rise to colloidosmotic pressure but also produces an electrostatic charge endowing the proteins with individual features and different migration rates. The working hypothesis of the experimental study is to transfer lymph proteins from the upper fascia accumulation area to a subfascial drainage area by subjecting them to an adequate difference in potential. A double chamber, variable volume system with separation wall able to contain a 1 cm square of muscle fascia, was designed and built; the aim of the apparatus was to reproduce the subcutaneus zone separated by the fascia interposition, from the muscle-vascular zone. At the system was applied a variable electric field in six different experiments: 4 using porous synthetic membranes and 2 using human muscle fascia.

Biological Transport↗

Use of fascia lata in revision of filtration surgery.

PURPOSE: To report on a successful use of fascia lata patch graft in revision of trabeculectomy for management of severe chronic discomfort associated with an exuberant conjunctival filtering bleb over a very nasal filtering site. METHODS: After dissecting a conjunctival flap over the area of the trabeculectomy at the nasal quadrant, fascia lata patch graft was sutured in place over the filtering site when primary suture closure was found ineffective. A new trabeculectomy was performed temporal and superior to the old site, and the conjunctival wound closed watertight. RESULTS: The fascia lata patch graft was effective in closing the filtration over the old trabeculectomy site at the nasal quadrant, and a new filtering bleb developed superiorly over the new trabeculectomy site, resulting in sustained IOP control. CONCLUSION: Fascia lata patch graft was effective in revision of trabeculectomy.

Fascia Lata↗

Augmentation of random-flap survival by implantation of vascularized fascia allografts and temporary immunosuppression: implications for flap fabrication.

The purpose of this study was to explore the possible use of an allogeneic vascular source for flap fabrication. Epigastric fascia with its superficial epigastric vessel pedicle was harvested from the donor rat and microsurgically revascularized in the recipient rat across a major histocompatibility barrier. ACI rats (Rtl-a) served as donors, and Lewis rats (Rtl-1) served as recipients. The recipient rat was immunosuppressed with a daily dose of 2 mg/kg cyclosporin A plus 5 mg/kg prednisone for 4 weeks. Three experiments were performed for skin, muscle, and bone studies. In experiment 1 (20 Lewis rats), placement of the allotransplanted fascia underneath the epigastric skin significantly improved the survival of a random epigastric skin flap raised 3 weeks later (7.35 +/- 0.65 cm2 versus 6.09 +/- 0.90 cm2, p < 0.05). Immunosuppression was discontinued 10 days after flap elevation with no observable additional skin necrosis. In experiment 2 (13 Lewis rats) and experiment 3 (14 Lewis rats), segments of isogeneic muscle and bone were grafted successfully on the allotransplanted fascia, respectively. The survival of these grafts was confirmed by metabolic bone activity, bone labeling, microangiography, and histologic studies and further confirmed 2 weeks after cessation of immunosuppression. An allotransplanted fascia as a vascular source proved in this model its capability to improve the survival of a random skin flap and to accept a free bone or muscle graft with temporary immunosuppression. These findings hold promise for possible use of an allogeneic vascular source in flap fabrication.

Animals↗

Autologous fascia grafts in head and neck plastic surgery.

Using an experimental animal model, we studied the stability of the size (gross morphology) and structure (histomorphology) of the fascia autograft. Fascia from a rabbit's leg was grafted in the subcutaneous tissue of the ear and abdomen and also into the intra-abdominal cavity. The weight and size of the autograft were recorded during the study period. Our findings showed that the size of the autograft remained stable, but there was a substantial weight reduction. Microscopic examination of histopathologic sections disclosed that there was no inflammatory response to the fascia. It also appeared to maintain its histomorphologic structure. Clinical trials with patients receiving facial plastic surgery are also reported. We believe a fascia autograft can be used to augment facial areas. We base this conclusion on the findings from previous reports, our animal experiment, and clinical trials.

Adult↗