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PP 1.33 – 00167 Integrated single-cell multi-omic profiling of HIV latency reversal. J Virus Erad 2022. [DOI: 10.1016/j.jve.2022.100137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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2
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PP 3.10 – 00168 Vpr synergizes with vorinostat to prevent HIV-1 latency establishment. J Virus Erad 2022. [DOI: 10.1016/j.jve.2022.100190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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3
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“Uroptysis!” - unexpected discovery of nephrobronchial fistula following nephrostogram. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)00978-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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4
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Distal urethral carcinoma: Contemporary management with phallus preserving techniques. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)00977-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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5
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Urolithiasis in Patients with Inherited Disorders of Coagulation: Our Experience. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)00965-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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6
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Penile Cancer in Younger Men – a More Aggressive Disease? EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)00953-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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7
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Penile cancer in younger men – a more aggressive disease? Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00769-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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8
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Distal urethral carcinoma: Contemporary management with phallus preserving techniques. Surgeon 2022; 20:e282-e287. [PMID: 35012866 DOI: 10.1016/j.surge.2021.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/03/2021] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Primary urethral carcinoma is a rare clinical entity with an incidence of 1 case per million in the United Kingdom. Cancers of the distal urethra are most commonly of squamous subtype and often associated with Human Papilloma Virus infection. Penile preserving techniques are recommended in tumours of the pendulous urethra with a number of surgical approaches described. Herein, we describe the surgical management of 7 patients presenting with primary urethral carcinoma. METHODS Seven patients diagnosed with primary urethral carcinoma of the distal urethra were identified using a prospectively maintained penile cancer database at our institution from May 2017 to November 2020. RESULTS The mean age at presentation was 56.5 (33-80) years. Presenting symptoms included visible lesion, LUTS and a groin mass. Three patients had lesions located within the glanular urethra and had a distal urethrectomy and primary closure. Two patients with lesions extending proximal to the glanular urethra and into or beyond the fossa navicularis had a distal urethrectomy with a hypospadic neomeatus formation. One patient with tumour extending into the glans penis underwent distal urethrectomy and partial glansectomy with split thickness skin graft. A partial penectomy was performed for one patient with urethral tumour invading the corporal heads. Mean follow-up was 23.4 (±17.0) months. There have been no disease recurrences to date. CONCLUSION Penile preserving techniques are feasible in patients with tumours of the pendulous urethra and do not appear to compromise local control.
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The 100 Citation Classics in the Irish Medical Literature; A Bibliometric Analysis. IRISH MEDICAL JOURNAL 2020; 113:125. [PMID: 35575605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Identifying citation classics is a valuable metric of research performance. Ireland has a distinguished history of medical research, although Ireland's top-cited articles are unknown. The SCOPUS database identified all medical and surgical articles published by journals in the Republic of Ireland or Northern Ireland. The 100 top-cited articles were analysed. The most cited article received 240 citations. There is an observed trend of increasing number of authors over time (p<0.05). General medicine and public health are the most common topics. The majority of works originate from Irish institutions. Collaborative research and non-Irish research are poorly represented among the citation classics. The Irish medical literature contains multiple highly cited and influential articles.
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10
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Epigenomic characterisation of a primary cell model of HIV latency. J Virus Erad 2019. [DOI: 10.1016/s2055-6640(20)30097-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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11
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The SMAC mimetic AZD5582 reverses HIV latency as a single agent in resting primary CD4+ T cells. J Virus Erad 2019. [DOI: 10.1016/s2055-6640(20)31047-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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12
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The Hidden Burden of Outpatient Repeat PSA Testing in a Prospective Cohort. IRISH MEDICAL JOURNAL 2017; 110:564. [PMID: 28737305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
PSA testing is widespread throughout Europe for diagnostic purposes and follow up. We performed a prospective outpatient cohort study of 250 men (2013-2015) in two hospital sites. Included were those men being followed up by urology with PSA blood testing. First appointments and those men in whom non-PSA tests were ordered by urology were excluded. The median age was 67.2yrs (46-88). Eighty-one point two percent of samples had a combination of 21 different serology tests at an added cost of >€18,000. Abnormal serology resulted in 53 referrals. Twenty-six-six percent of correspondence referenced abnormal serology other than PSA. Follow up of non-PSA test results poses a challenge in an outpatient setting with failure to appropriately follow-up on abnormal results, increased costs, and medico-legal implications. There is currently no Irish legislature in place to safeguard hospital physicians. This study quantifies the levels of expenditure, resources and risk associated with ambulant PSA testing.
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CLIN-EPIDEMIOLOGY. Neuro Oncol 2012. [DOI: 10.1093/neuonc/nos221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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15
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Toll Like receptor 7 regulates viral loads and cytokine secretion during acute retroviral infection. Retrovirology 2012. [PMCID: PMC3441337 DOI: 10.1186/1742-4690-9-s2-p174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Dendritic cell nediated inhibition of lentiviral infection. Retrovirology 2012. [PMCID: PMC3441380 DOI: 10.1186/1742-4690-9-s2-p178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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P04.35. Sustained effects of a mindfulness-based classroom intervention on behavior in urban, underserved children. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012. [PMCID: PMC3373333 DOI: 10.1186/1472-6882-12-s1-p305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Abstract
Drotrecogin alfa has been shown to reduce mortality in severe sepsis. However, it remains unlicensed for use in patients with previous liver transplantation. We report its use in such a case. Prior to administration a risk benefit analysis was performed in line with General Medical Council recommendations. This included being satisfied that no appropriately licensed alternative would better serve the patient's needs and that sufficient evidence existed to demonstrate the safety and efficacy of the drug. Responsibility was taken for prescription, monitoring and follow up. The process was carefully documented and the patient recovered fully with no adverse effects. To date the only published data on the use of drotrecogin alpha in transplant recipients is a case series of three patients. Further published data may encourage review of the licence.
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Improved limit on the electron capture decay branch of 176Lu. Appl Radiat Isot 2004; 60:767-70. [PMID: 15082057 DOI: 10.1016/j.apradiso.2003.12.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2003] [Accepted: 12/10/2003] [Indexed: 10/26/2022]
Abstract
We have performed searches for the electron-capture decay branches of 176Lu to the ground state and first excited state of 176Yb. No evidence of either decay mode was observed. From these measurements we have established upper limits on both of these possible branches that are each > 20 times more stringent than the single previously published limit.
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Costs of near-miss obstetric complications for women and their families in Benin and Ghana. Health Policy Plan 2003; 18:383-90. [PMID: 14654514 DOI: 10.1093/heapol/czg046] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
This paper estimates the total cost to women and their families associated with a spontaneous vaginal delivery and five types of 'near-miss' obstetric complication in Benin and Ghana, and assesses affordability in relation to household cash expenditure. A retrospective evaluation of costs was carried out among 121 mothers in three hospitals in Ghana. A prospective evaluation of costs was undertaken among 420 pregnant women in two hospitals in Benin. Information was collected on the cost of travel to the facilities and of direct medical and non-medical costs incurred during their stay in hospital. In Benin, costs ranged from an average of 15 US dollars for a spontaneous delivery to 256 US dollars for a near-miss complication caused by dystocia. In Ghana, average costs ranged from 18 US dollars for a spontaneous vaginal delivery to 115 US dollars for a near-miss complication caused by haemorrhage. Medical costs accounted for the largest share of total costs, mainly drugs and medical supplies in Ghana and costs of the delivery and any surgical intervention in Benin. Payments associated with a spontaneous vaginal delivery amounted to at least 2% of annual household cash expenditure in both countries. In the case of severe obstetric complications, costs incurred reached a high of 34% of annual household cash expenditure in Benin. The economic burden of hospital-based delivery care in Ghana and Benin is likely to deter or delay women's use of health services. Should a woman develop severe obstetric complications while in labour, the relatively high costs of hospital care could have a potentially catastrophic impact on the household budget.
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Abstract
Studying 12 selected individuals from a malaria-endemic area in West Africa, 24 variants of the CD36 gene were found, 21 of them novel ones. These included three single-nucleotide substitutions causing non-conservative amino acid exchanges E123K, T174A, and I271T as well as a three base pair (bp) insertion resulting in the addition of an asparagine residue (N232-233ins). The E123K variant was located within the putative ligand-binding domain for oxidized low density lipoprotein, while the other substitutions resided outside any of the binding sites for reaction partners mapped on CD36 so far. Twelve single-nucleotide polymorphisms (SNPs) were identified in untranslated parts of the exons and in introns. Five additional SNPs were located in the promoter region whereby -144G-->T, -53G-->T, and -2A-->G alter putative binding sites for the transcription factors purine factor (PuF), phorbol ester-responsive element AP-2, and CCAAT/enhancer-binding protein. A G-->T exchange at position -50 appears to introduce a new recognition site for PuF. Calculations of nucleotide diversity revealed extraordinarily high numbers for all parts of the gene, which may, however, to some extent be due to the selection of individuals studied.
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Complications of postmastectomy breast reconstructions in smokers, ex-smokers, and nonsmokers. Plast Reconstr Surg 2001; 107:342-9; discussion 350-1. [PMID: 11214048 DOI: 10.1097/00006534-200102000-00007] [Citation(s) in RCA: 118] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Smoking results in impaired wound healing and poor surgical results. In this retrospective study, we compared outcomes in 155 smokers, 76 ex-smokers, and 517 nonsmokers who received postmastectomy breast reconstructions during a 10-year period. Ex-smokers were defined as those who had quit smoking at least 3 weeks before surgery. Transverse rectus abdominis musculocutaneous (TRAM) flap surgery was performed significantly less often in smokers (24.5 percent) than in ex-smokers (30.3 percent) or nonsmokers (39.1 percent) (p < 0.001). Tissue expansion followed by implant was performed in 112 smokers (72.3 percent), 50 (65.8 percent) ex-smokers, and 304 nonsmokers (58.8 percent) (p = 0.002). The overall complication rate in smokers was 39.4 percent, compared with 25 percent in ex-smokers and 25.9 percent in nonsmokers, which is statistically significant (p = 0.002). Mastectomy flap necrosis developed in 12 smokers (7.7 percent), 2 ex-smokers (2.6 percent), and 8 nonsmokers (1.5 percent) (p < 0.001). Among patients receiving TR4AM flaps, fat necrosis developed in 10 smokers (26.3 percent), 2 ex-smokers (8.7 percent), and 17 nonsmokers (8.4 percent). Abdominal wall necrosis was more common in smokers (7.9 percent) than in ex-smokers (4.3 percent) or nonsmokers (1.0 percent). In this large series, tissue expansion was performed more often in smokers than was autogenous reconstruction. Complications were significantly more frequent in smokers. Mastectomy flap necrosis was significantly more frequent in smokers, regardless of the type of reconstruction. Breast reconstruction should be done with caution in smokers. Ex-smokers had complication rates similar to those of nonsmokers. Smokers undergoing reconstruction should be strongly urged to stop smoking at least 3 weeks before their surgery.
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Improved perfusion after subcritical ischemia in muscle flaps treated with vascular endothelial growth factor. Plast Reconstr Surg 2000; 106:1541-6. [PMID: 11129183 DOI: 10.1097/00006534-200012000-00015] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Vascular endothelial growth factor (VEGF), a potent endothelial mitogen, is secreted in ischemic tissue and plays a pivotal role in angiogenesis. We studied whether VEGF administered to a rat muscle flap at the time of ischemia induction would increase microcirculatory flow to the flap. The cremaster muscle flap was isolated on its neurovascular pedicle. Ischemia was induced by clamping the vascular pedicle, and 0.2 ml of either VEGF (0.1 microg) or vehicle (phosphate-buffered saline) was immediately infused into the muscle. After 4 or 6 hours, the clamps were released, and the cremaster was placed in a pocket in the medial thigh for 24 hours. The muscle was then dissected, and microcirculatory measurements were made under intravital microscopy. Six animals were used in each of the four groups. All flaps exposed to 6 hours of ischemia, the duration considered to be critical ischemia, had no significant microcirculatory flow, regardless of treatment with VEGF. In the 4-hour ischemia group, or subcritical ischemia group, red blood cell velocity in arterioles was 14 mm/sec in muscles treated with VEGF and 9 mm/sec in controls (p = 0.02), and capillary flow was 7 per high-power field in muscles treated with VEGF versus 2 per high-power field in controls (p = 0.0005). Thus, VEGF did not alter microcirculatory flow in a muscle flap exposed to critical ischemia, but it did enhance flow to a flap exposed to subcritical ischemia.
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Abstract
Fibrin glue has been used by several researchers to seal microvascular anastomoses sites. Usually the glue is delivered at the site with a syringe and needle. However, this technique can result in excess deposition of glue, which can cause intravascular thrombosis and can harden the vessel wall. We describe a new technique that avoids both these problems. We designed a "paintbrush" by inserting a suture through the syringe needle and then using the suture tip as a brush to apply the fibrin glue. End-to-side anastomoses were performed between the femoral artery and femoral vein in ten rats. Only two sutures were used to perform the anastomosis, the rest of the anastomosis being completed by sealing the gaps with fibrin glue. All the anastomoses were patent after 2 weeks, and no thromboses occurred. This is a new method for applying fibrin glue that delivers an adequate amount of fibrin glue without causing thrombosis.
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Abstract
The standard rat epigastric artery flap has been a very reliable model for flap research. The purpose of this study was to describe a modified design of this flap that included only the medial branch of the epigastric artery. Axial-pattern epigastric island skin flaps, measuring 8 x 8 cm, were raised in two groups of Sprague-Dawley male rats. In group A (N = 20) the vascular pedicle consisted of the main trunk of the epigastric vessel and both medial and lateral branches. In group B (N = 20) the flap was based solely on the medial branch of the epigastric artery, excluding the large lateral branch. The flaps were elevated and then sutured back to their beds. Flap survival was studied and the amount of viable skin in both groups was compared 1 week later. The rats were photographed using a digital camera and the images were analyzed using imaging software. The mean percentage surviving flap area in group A was 86.24% and in group B it was 69.72%, which is statistically significant (p < 0.001). We believe that this flap model, with its new modified design that includes a larger flap and inclusion of only the medial branch, will broaden its application to microsurgery. The main advantage of this flap over the conventional epigastric flap is that in this model it is possible to achieve predictable and consistent necrosis in the random extension of the flap.
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Abstract
Angiosomes are blocks of tissues, composed of the integument and underlying deep structures, supplied and drained by a named artery and its accompanying vein. The purpose of the current study is to describe a new principle, which allows extension of the territory of an angiosome into the adjacent angiosome, thus enabling the creation of a large skin flap (arteriovenous cross-flow flap). Epigastric skin flaps, measuring 8 x 8 cm, were raised in 30 Sprague-Dawley male rats. In group A (single-pedicle flap), the flaps were based on the epigastric artery and vein on the ipsilateral side, and the contralateral pedicle was divided. In group B (cross-flow flap), the epigastric vein on the ipsilateral side and the epigastric artery on the contralateral side of the flap were divided. In group C (skin graft), the vascular pedicles were divided bilaterally. A definitive assessment was made on the seventh day. Digital images of the flaps were analyzed using an imaging software and the areas of skin survival and necrosis were determined. Lead oxide microangiogram was performed in another set of flaps both acutely and 1 week after flap elevation. The percent survival flap area in group A was 69.94, in group B was 89.07, and in group C was 13.00. All the groups are statistically different, with a p value < 0.001. The microangiograms showed striking differences in the vascular pattern in the cross-flow and the single-pedicle flaps. It is clearly demonstrated that the arteriovenous cross-flow flaps have increased survival of skin when compared with the conventional axial-pattern flaps.
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Effect of vascular endothelial growth factor (VEGF) on survival of random extension of axial pattern skin flaps in the rat. Ann Plast Surg 1996; 37:604-11. [PMID: 8988772 DOI: 10.1097/00000637-199612000-00006] [Citation(s) in RCA: 82] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Current evidence suggests that neovascularization is mediated by a wide range of angiogenic growth factors. Vascular endothelial growth factor (VEGF) appears to be one of the most important angiogenic factors in vivo. The aim of this project was to evaluate the efficacy of VEGF in augmentation of blood supply to skin flaps. Epigastric skin flaps were raised in 16 Sprague-Dawley male rats. In group A (N = 8), 5 micrograms of VEGF was injected into the epigastric artery after flap elevation. In the control, group B (N = 8), the artery was injected with saline. On the seventh day, the rats were photographed and the digital images were analyzed using imaging software (Image-Pro Plus 1.2). The blood flow in the flaps was measured with a percutaneous laser Doppler probe at specific locations. Histological studies of the flaps were done. Results showed that the mean percentage surviving flap area was 71.9% in group A and 53.7% in the control group, which is statistically significant (p < 0.001). Histological examination revealed increased density of the capillaries in the flaps treated with VEGF when compared to the control group. We believe the increase in skin survival is due to angiogenesis induced by the VEGF.
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Fibrin glue-assisted end-to-side anastomosis of rat femoral vessels: comparison with conventional suture method. Ann Plast Surg 1996; 37:41-7. [PMID: 8826591 DOI: 10.1097/00000637-199607000-00007] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Conventional methods of microvascular anastomosis using sutures cause vessel narrowing, foreign body reactions, and intravascular thrombosis. Although fibrin glue seems to be the ideal material to perform a microvascular anastomosis, its success has been limited. Excess fibrin used in some of the earlier methods has caused vessel narrowing and intravascular thrombosis. We evaluated the quality of end-to-side anastomosis using fibrin glue applied with a new technique and minimal sutures, and compared the results to those obtained with a standard suture technique. End-to-side anastomosis of femoral vessels was performed in 32 male Sprague-Dawley rats. Fibrin glue was topically applied at the anastomotic site, after inserting only two corner sutures. The fibrinogen component obtained from single donor human cryoprecipitate, was combined with bovine thrombin (500 IU per milliliter). In the control group (N = 16), the anastomosis was performed using eight to ten interrupted 10/0 nylon sutures. Fibrin glue-assisted anastomosis took less time, caused less bleeding at the anastomotic sites, and achieved a patency rate comparable to that provided by the suture technique. We have shown that a new, atraumatic technique of microvascular anastomosis with cryoprecipitate-thrombin glue and only two sutures, can produce excellent patency rates. This technique is easy to perform, inexpensive, and does not involve new equipment.
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A mobile rehabilitation team program to assist patients in nursing homes rehabilitate and return to their homes. Arch Gerontol Geriatr 1995; 20:255-61. [PMID: 15374235 DOI: 10.1016/0167-4943(95)00621-q] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/1994] [Revised: 12/06/1994] [Accepted: 12/14/1994] [Indexed: 11/18/2022]
Abstract
A slow-stream rehabilitation program for frail elderly patients was developed utilising nursing homes visited by a mobile rehabilitation team (MRT) based at the hospital from which these patients had been discharged following major illness. The nursing homes were able to provide physiotherapy and the MRT contributed medical, nursing, occupational therapy and social work support through weekly visits. The supported group and a control group (also discharged to nursing homes from the same hospital but unsupported) were matched for age, sex and ADL level. Outcomes for the two groups were compared and were significantly different. Of the supported group (N = 33), 64% (N = 21) were discharged home compared with only 9% (N = 2) of the 23 control subjects (chi2 = 15.6, df. = 1, P < 0.05). The potential for patient rehabilitation in a modestly supported nursing home was realised.
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The effect of DHEA given chronically to Zucker rats. PROCEEDINGS OF THE SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE. SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE (NEW YORK, N.Y.) 1995; 209:92-7. [PMID: 7536942 DOI: 10.3181/00379727-209-43883] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Dehydroepiandrosterone (DHEA) has been reported to exert antiglucocorticoid activity. When administered to obese, hypercorticosteronemic Zucker rats, it causes a diminution of food intake and a reduction in their rate of weight gain. This experiment was conducted to evaluate whether this biologic effect could be ascribed to chronic adrenal insufficiency. Obese and lean Zucker rats were treated with DHEA as a food supplement for 28 days. Upon sacrifice, organ weights and serum chemistries were measured, along with neurotransmitter levels in regions of the hypothalamus. Results showed that although the obese animals gained weight more slowly, had lower insulin levels, and ate less, their serum glucose, corticosterone, and ACTH levels were not different from control. Hypothalamic neurotransmitters in the obese rat were unaffected by chronic DHEA treatment. We concluded that, although DHEA clearly affects Zucker weight gain, it does not induce chronic adrenal insufficiency.
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A simple arteriotomy method for microsurgical end-to-side anastomoses: technical aspects of use in training and laboratory applications. J Reconstr Microsurg 1993; 9:381-4. [PMID: 8301637 DOI: 10.1055/s-2007-1006746] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An experiment was carried out to show the patency rates of microsurgical carotid artery bypasses with femoral artery grafts, using a single-cut arteriotomy in rats. A bypass was done on 127 Sprague-Dawley rats. Of these, 125 were patent after 20 min, and all of these were patent after the animals were sacrificed at 3 days, for a 98 percent patency rate. The method of performing the arteriotomies, as well as the bypass itself, is described. The benefits of using the end-to-side anastomosis are explained. The authors conclude that the single-cut arteriotomy is convenient and easy to perform. The end-to-side anastomosis is a worthwhile technique and should encourage the proficiency of every student of microsurgery.
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Second-forbidden electron-capture decay of 55Fe. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1992; 46:1136-1138. [PMID: 9968219 DOI: 10.1103/physrevc.46.1136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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beta + decay and cosmic-ray half-life of 54Mn. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1989; 39:1511-1513. [PMID: 9955357 DOI: 10.1103/physrevc.39.1511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Abstract
In a 12-week double-blind study, oxiracetam (CGP 21690 E), a new nootropic drug, at a dose of 2.4 mg per day, was compared to placebo in the treatment of 106 middle-aged patients suffering from mild to moderate organic brain syndrome due to prolonged exposure to organic solvents. At the beginning of the study and after 12 weeks treatment, the patients underwent a battery of neuropsychological tests to determine their mental and memory functioning. A symptom questionnaire consisting of 21 items was rated pre-treatment, and improvement or worsening of any of the symptoms recorded monthly. At the end of the study a global evaluation was performed by the patients themselves, their relatives, the psychologist and the doctor. The code was not broken until the final writing of this paper. No statistically significant differences were observed between the treatment groups in any of the above-mentioned evaluations; neither were any differences in the neuropsychological tests performance observed. Thus, oxiracetam seems to have no effect in the treatment of organic brain syndrome.
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Identification of movement artefacts in electromyograph recordings. ELECTROMYOGRAPHY AND CLINICAL NEUROPHYSIOLOGY 1982; 22:245-9. [PMID: 7084099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Demography and abortion: a perspective. FAMILY PLANNING INFORMATION SERVICE 1981; 1:1-8. [PMID: 12263448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
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