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Weinstein C, Govoni M, Lin J, Meehan A, Qureshi Z. POS0947 LONG-TERM GOLIMUMAB PERSISTENCE: 5-YEAR TREATMENT RETENTION DATA POOLED FROM FIVE PHASE III CLINICAL TRIALS IN PATIENTS WITH RHEUMATOID ARTHRITIS, PSORIATIC ARTHRITIS, AND ANKYLOSING SPONDYLITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundTumor necrosis factor-alpha inhibitors (TNFi), such as golimumab (GLM), are widely prescribed for treatment of chronic immune-mediated rheumatic diseases, such as rheumatoid arthritis (RA), psoriatic arthritis (PsA) and ankylosing spondylitis (AS). Long-term persistence of GLM response in these diseases has previously been described from individual randomized controlled trials.1-5 While treatment retention is considered an important factor for disease progression, health care utilization, and overall quality of life, and has previously been described, the probability of retention on GLM treatment in these trials has not been evaluated.ObjectivesTo evaluate probability of GLM treatment retention over a 5-year period in adult patients with immune-mediated rheumatic diseases, by indication and line of therapy, using pooled data from five Phase III randomized controlled clinical trials.MethodsUsing data prospectively collected from five Phase III studies, this post-hoc analysis evaluated subcutaneous (SC) GLM (50 mg or 100 mg every 4 weeks) for up to 5 years in participants with RA (GO-BEFORE,1,6 GO-AFTER2,7 and GO-FORWARD3,8), PsA (GO-REVEAL4,9), and AS (GO-RAISE5,10). Four of the five studies (GO-BEFORE, GO-FORWARD, GO-REVEAL and GO-RAISE) were pooled to examine 1st-line GLM therapy, while the remaining study (GO-AFTER) was used to examine 2nd-line (i.e., ≥ 1 line) GLM therapy in participants who had previously received and discontinued at least one other TNFi (etanercept, adalimumab, or infliximab) for any reason. Log-rank tests were performed to estimate retention rates by indication and line of therapy. Similarly, Kaplan-Meier analysis was used to estimate the probability of GLM retention over time.ResultsAmong the 2228 participants enrolled in the 5 trials, 1797 participants had received GLM as1st-line treatment (RA = 1050; PsA = 394; AS = 353) and 431 participants had received GLM as 2nd-line treatment. Compared to the pooled 1st-line GLM analysis cohort, more participants receiving 2nd-line GLM were female (78.7% vs 62.2%), were > 50 years (61.5% vs 41.2%), and had a longer disease duration (median of 9.2 years vs 3.7 years). In the pooled 1st-line studies, GLM treatment retention remained high over five years, with an overall probability of retention of 87.8% (95% confidence interval [CI], 86.2–89.2) at Year 1 (Week 52), 80.9% (79.0–82.6) at Year 2 (Week 104), 77.3% (75.3–79.2) at Year 3 (Week 156), 73.5% (71.4–75.5) at Year 4 (Week 208) and 69.8% (67.6–71.9) at Year 5 (Week 252). GLM retention rates were similar across the four 1st-line GLM studies with no notable differences observed by indication over time (Figure 1, panel A). Treatment retention was better in participants using GLM as a 1st-line therapy compared to 2nd-line therapy (Figure 1, panel B), with a probability of retention at 5 years (Week 252) with 2nd-line therapy of 41.6% (95% CI: 36.8-46.3).Figure 1.ConclusionIn this post-hoc analysis of prospectively collected clinical trial data, the probability of 1st-line GLM treatment retention at 5-years was consistently high across all rheumatic indications (RA, PsA and AS). Probability of long-term GLM treatment retention with 2nd-line therapy, while lower than 1st-line therapy, also remained favorable. Collectively, these data support the value of GLM as a 1st- or 2nd-line therapy in these chronic immune-mediated rheumatic diseases.References[1]Emery P, et al. Arthritis Rheum 2009;60:2272-83.[2]Smolen JS, et al. Lancet 2009;374:210-21.[3]Keystone EC, et al. J Rheumatol. 2015;43:298-306.[4]Kavanaugh A, et al. Ann Rheum Dis. 2014;73:1689-94[5]Inman RD, et al. Arthritis Rheum 2008;58:3402-12.[6]Emery P, et al. Arthritis Care Res. 2016;68:744-52.[7]Smolen JS, et al. Arthritis Res Ther. 2015;17:14.[8]Keystone EC, et al. Ann Rheum Dis 2009;68:789-96.[9]Kavanaugh A, et al. Arthritis Rheum 2009;60:976-86.[10]Deodhar A, et al. Ann Rheum Dis. 2015;74:757-61.Disclosure of InterestsCindy Weinstein Shareholder of: Merck & Co., Inc., Kenilworth, NJ, USQA, Employee of: Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA, Marinella Govoni Shareholder of: Merck & Co., Inc., Kenilworth, NJ, USA, Employee of: MSD Italy, a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA, Jianxin Lin Shareholder of: Merck & Co., Inc., Kenilworth, NJ, USA, Employee of: Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA, Alan Meehan Shareholder of: Merck & Co., Inc., Kenilworth, NJ, USA, Employee of: Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA, Zaina Qureshi Shareholder of: Merck & Co., Inc., Kenilworth, NJ, USA, Employee of: Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA
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M, Grande A, Hildebrandt D, Miller K, Scherber J, Hendrickson A, Jumaa M, Zaidi S, Hendrickson T, Snyder V, Killer-Oberpfalzer M, Mutzenbach J, Weymayr F, Broussalis E, Stadler K, Jedlitschka A, Malek A, Mueller-Kronast N, Beck P, Martin C, Summers D, Day J, Bettinger I, Holloway W, Olds K, Arkin S, Akhtar N, Boutwell C, Crandall S, Schwartzman M, Weinstein C, Brion B, Prothmann S, Kleine J, Kreiser K, Boeckh-Behrens T, Poppert H, Wunderlich S, Koch ML, Biberacher V, Huberle A, Gora-Stahlberg G, Knier B, Meindl T, Utpadel-Fischler D. Imaging features and safety and efficacy of endovascular stroke treatment: a meta-analysis of individual patient-level data. Lancet Neurol 2018; 17:895-904. [DOI: 10.1016/s1474-4422(18)30242-4] [Citation(s) in RCA: 213] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/11/2018] [Accepted: 06/12/2018] [Indexed: 11/29/2022]
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Weinstein C, Jordan K, Green S, Khanani S, Beckford-Brathwaite E, Vallejos W, Pong A, Noga S, Rapoport B. Single-dose fosaprepitant for the prevention of chemotherapy-induced nausea and vomiting in patients with gynecologic cancers receiving moderately emetogenic chemotherapy regimens. Gynecol Oncol 2018. [DOI: 10.1016/j.ygyno.2018.04.370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Campbell BCV, van Zwam WH, Goyal M, Menon BK, Dippel DWJ, Demchuk AM, Bracard S, White P, Dávalos A, Majoie CBLM, van der Lugt A, Ford GA, de la Ossa NP, Kelly M, Bourcier R, Donnan GA, Roos YBWEM, Bang OY, Nogueira RG, Devlin TG, van den Berg LA, Clarençon F, Burns P, Carpenter J, Berkhemer OA, Yavagal DR, Pereira VM, Ducrocq X, Dixit A, Quesada H, Epstein J, Davis SM, Jansen O, Rubiera M, Urra X, Micard E, Lingsma HF, Naggara O, Brown S, Guillemin F, Muir KW, van Oostenbrugge RJ, Saver JL, Jovin TG, Hill MD, Mitchell PJ, Berkhemer OA, Fransen PSS, Beumer D, van den Berg LA, Lingsma HF, Yoo AJ, Schonewille WJ, Vos JA, Nederkoorn PJ, Wermer MJH, van Walderveen MAA, Staals J, Hofmeijer J, van Oostayen JA, Lycklama à Nijeholt GJ, Boiten J, Brouwer PA, Emmer BJ, de Bruijn SF, van Dijk LC, Kappelle J, Lo RH, van Dijk EJ, de Vries J, de Kort PL, van Rooij WJJ, van den Berg JS, van Hasselt BA, Aerden LA, Dallinga RJ, Visser MC, Bot JC, Vroomen PC, Eshghi O, Schreuder TH, Heijboer RJ, Keizer K, Tielbeek AV, den Hertog HM, Gerrits DG, van den Berg-Vos RM, Karas GB, Steyerberg EW, Flach Z, Marquering HA, Sprengers ME, Jenniskens SF, Beenen LF, van den Berg R, Koudstaal PJ, van Zwam WH, Roos YB, van der Lugt A, van Oostenbrugge RJ, Wakhloo A, Moonis M, Henninger N, Goddeau R, Massari F, Minaeian A, Lozano JD, Ramzan M, Stout C, Patel A, Majoie CB, Tunguturi A, Onteddu S, Carandang R, Howk M, Ribó M, Sanjuan E, Rubiera M, Pagola J, Flores A, Muchada M, Dippel DW, Meler P, Huerga E, Gelabert S, Coscojuela P, Tomasello A, Rodriguez D, Santamarina E, Maisterra O, Boned S, Seró L, Brown MM, Rovira A, Molina CA, Millán M, Muñoz L, Pérez de la Ossa N, Gomis M, Dorado L, López-Cancio E, Palomeras E, Munuera J, Liebig T, García Bermejo P, Remollo S, Castaño C, García-Sort R, Cuadras P, Puyalto P, Hernández-Pérez M, Jiménez M, Martínez-Piñeiro A, Lucente G, Stijnen T, Dávalos A, Chamorro A, Urra X, Obach V, Cervera A, Amaro S, Llull L, Codas J, Balasa M, Navarro J, Andersson T, Ariño 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A, Sanossian N, Loh Y, Devlin T, Baxter B, Hawk H, Sapkota B, Quarfordt S, Sirelkhatim A, Dellinger C, Barton K, Reddy VK, Ducruet A, Jadhav A, Horev A, Giurgiutiu DV, Totoraitis V, Hammer M, Jankowitz B, Wechsler L, Rocha M, Gulati D, Campbell D, Star M, Baxendell L, Oakley J, Siddiqui A, Hopkins LN, Snyder K, Sawyer R, Hall S, Costalat V, Riquelme C, Machi P, Omer E, Arquizan C, Mourand I, Charif M, Ayrignac X, Menjot de Champfleur N, Leboucq N, Gascou G, Moynier M, du Mesnil de Rochemont R, Singer O, Berkefeld J, Foerch C, Lorenz M, Pfeilschifer W, Hattingen E, Wagner M, You SJ, Lescher S, Braun H, Dehkharghani S, Belagaje SR, Anderson A, Lima A, Obideen M, Haussen D, Dharia R, Frankel M, Patel V, Owada K, Saad A, Amerson L, Horn C, Doppelheuer S, Schindler K, Lopes DK, Chen M, Moftakhar R, Anton C, Smreczak M, Carpenter JS, Boo S, Rai A, Roberts T, Tarabishy A, Gutmann L, Brooks C, Brick J, Domico J, Reimann G, Hinrichs K, Becker M, Heiss E, Selle C, Witteler A, Al-Boutros S, Danch MJ, Ranft A, Rohde S, Burg K, Weimar C, Zegarac V, Hartmann C, Schlamann M, Göricke S, Ringlestein A, Wanke I, Mönninghoff C, Dietzold M, Budzik R, Davis T, Eubank G, Hicks WJ, Pema P, Vora N, Mejilla J, Taylor M, Clark W, Rontal A, Fields J, Peterson B, Nesbit G, Lutsep H, Bozorgchami H, Priest R, Ologuntoye O, Barnwell S, Dogan A, Herrick K, Takahasi C, Beadell N, Brown B, Jamieson S, Hussain MS, Russman A, Hui F, Wisco D, Uchino K, Khawaja Z, Katzan I, Toth G, Cheng-Ching E, Bain M, Man S, Farrag A, George P, John S, Shankar L, Drofa A, Dahlgren R, Bauer A, Itreat A, Taqui A, Cerejo R, Richmond A, Ringleb P, Bendszus M, Möhlenbruch M, Reiff T, Amiri H, Purrucker J, Herweh C, Pham M, Menn O, Ludwig I, Acosta I, Villar C, Morgan W, Sombutmai C, Hellinger F, Allen E, Bellew M, Gandhi R, Bonwit E, Aly J, Ecker RD, Seder D, Morris J, Skaletsky M, Belden J, Baker C, Connolly LS, Papanagiotou P, Roth C, Kastrup A, Politi M, Brunner F, Alexandrou M, Merdivan H, Ramsey C, Given II C, Renfrow S, Deshmukh V, Sasadeusz K, Vincent F, Thiesing JT, Putnam J, Bhatt A, Kansara A, Caceves D, Lowenkopf T, Yanase L, Zurasky J, Dancer S, Freeman B, Scheibe-Mirek T, Robison J, Rontal A, Roll J, Clark D, Rodriguez M, Fitzsimmons BFM, Zaidat O, Lynch JR, Lazzaro M, Larson T, Padmore L, Das E, Farrow-Schmidt A, Hassan A, Tekle W, Cate C, Jansen O, Cnyrim C, Wodarg F, Wiese C, Binder A, Riedel C, Rohr A, Lang N, Laufs H, Krieter S, Remonda L, Diepers M, Añon J, Nedeltchev K, Kahles T, Biethahn S, Lindner M, Chang V, Gächter C, Esperon C, Guglielmetti M, Arenillas Lara JF, Martínez Galdámez M, Calleja Sanz AI, Cortijo Garcia E, Garcia Bermejo P, Perez S, Mulero Carrillo P, Crespo Vallejo E, Ruiz Piñero M, Lopez Mesonero L, Reyes Muñoz FJ, Brekenfeld C, Buhk JH, Krützelmann A, Thomalla G, Cheng B, Beck C, Hoppe J, Goebell E, Holst B, Grzyska U, Wortmann G, Starkman S, Duckwiler G, Jahan R, Rao N, Sheth S, Ng K, Noorian A, Szeder V, Nour M, McManus M, Huang J, Tarpley J, Tateshima S, Gonzalez N, Ali L, Liebeskind D, Hinman J, Calderon-Arnulphi M, Liang C, Guzy J, Koch S, DeSousa K, Gordon-Perue G, Haussen D, Elhammady M, Peterson E, Pandey V, Dharmadhikari S, Khandelwal P, Malik A, Pafford R, Gonzalez P, Ramdas K, Andersen G, Damgaard D, Von Weitzel-Mudersbach P, Simonsen C, Ruiz de Morales Ayudarte N, Poulsen M, Sørensen L, Karabegovich S, Hjørringgaard M, Hjort N, Harbo T, Sørensen K, Deshaies E, Padalino D, Swarnkar A, Latorre JG, Elnour E, El-Zammar Z, Villwock M, Farid H, Balgude A, Cross L, Hansen K, Holtmannspötter M, Kondziella D, Hoejgaard J, Taudorf S, Soendergaard H, Wagner A, Cronquist M, Stavngaard T, Cortsen M, Krarup LH, Hyldal T, Haring HP, Guggenberger S, Hamberger M, Trenkler J, Sonnberger M, Nussbaumer K, Dominger C, Bach E, Jagadeesan BD, Taylor R, Kim J, Shea K, Tummala R, Zacharatos H, Sandhu D, Ezzeddine M, Grande A, Hildebrandt D, Miller K, Scherber J, Hendrickson A, Jumaa M, Zaidi S, Hendrickson T, Snyder V, Killer-Oberpfalzer M, Mutzenbach J, Weymayr F, Broussalis E, Stadler K, Jedlitschka A, Malek A, Mueller-Kronast N, Beck P, Martin C, Summers D, Day J, Bettinger I, Holloway W, Olds K, Arkin S, Akhtar N, Boutwell C, Crandall S, Schwartzman M, Weinstein C, Brion B, Prothmann S, Kleine J, Kreiser K, Boeckh-Behrens T, Poppert H, Wunderlich S, Koch ML, Biberacher V, Huberle A, Gora-Stahlberg G, Knier B, Meindl T, Utpadel-Fischler D, Zech M, Kowarik M, Seifert C, Schwaiger B, Puri A, Hou S. Effect of general anaesthesia on functional outcome in patients with anterior circulation ischaemic stroke having endovascular thrombectomy versus standard care: a meta-analysis of individual patient data. Lancet Neurol 2018; 17:47-53. [DOI: 10.1016/s1474-4422(17)30407-6] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 10/05/2017] [Accepted: 10/11/2017] [Indexed: 10/18/2022]
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Weinstein C, Jordan K, Green S, Camacho E, Khanani S, Beckford-Brathwaite E, Vallejos W, Liang L, Noga S, Rapoport B. Exploration of the heterogeneity of moderately emetogenic chemotherapy on response to fosaprepitant in a randomized phase 3 trial. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw390.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Weinstein C, Jordan K, Green SA, Camacho E, Khanani S, Beckford-Brathwaite E, Vallejos W, Liang LW, Noga SJ, Rapoport BL. Single-dose fosaprepitant for the prevention of chemotherapy-induced nausea and vomiting associated with moderately emetogenic chemotherapy: results of a randomized, double-blind phase III trial. Ann Oncol 2016; 27:172-8. [PMID: 26449391 PMCID: PMC4684151 DOI: 10.1093/annonc/mdv482] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 09/01/2015] [Accepted: 09/23/2015] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND To establish the role of antiemetic therapy with neurokinin-1 (NK1) receptor antagonists (RAs) in nonanthracycline and cyclophosphamide (AC)-based moderately emetogenic chemotherapy (MEC) regimens, this study evaluated single-dose intravenous (i.v.) fosaprepitant for the prevention of chemotherapy-induced nausea and vomiting (CINV) associated with non-AC MEC. PATIENTS AND METHODS In this international, phase III, double-blind trial, adult cancer subjects scheduled to receive ≥1 non-AC MEC on day 1 were randomized to a regimen comprising single-dose i.v. fosaprepitant 150 mg or placebo along with ondansetron and dexamethasone on day 1; control regimen recipients received ondansetron on days 2 and 3. Primary end points were the proportion of subjects achieving a complete response (CR; no vomiting and no use of rescue medication) in the delayed phase (25-120 h after MEC initiation) and safety. Secondary end points included CR in the overall and acute phases (0-120 and 0-24 h after MEC initiation, respectively) and no vomiting in the overall phase. Nausea and the Functional Living Index-Emesis were assessed as exploratory end points. RESULTS The fosaprepitant regimen improved CR significantly in the delayed (78.9% versus 68.5%; P < 0.001) and overall (77.1% versus 66.9%; P < 0.001) phases, but not in the acute phase (93.2% versus 91.0%; P = 0.184), versus control. In the overall phase, the proportion of subjects with no vomiting (82.7% versus 72.9%; P < 0.001) and no significant nausea (83.2% versus 77.9%; P = 0.030) was also significantly improved with the fosaprepitant regimen. The fosaprepitant regimen was generally well tolerated. CONCLUSION Single-dose fosaprepitant added to a 5-HT3 RA and dexamethasone was well tolerated and demonstrated superior control of CINV (primary end point achieved) associated with non-AC MEC. This is the first study to evaluate NK1 RA therapy as an i.v. formulation in a well-defined non-AC MEC population. CLINICALTRIALSGOV NCT01594749 (https://clinicaltrials.gov/ct2/show/NCT01594749).
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Affiliation(s)
| | - K Jordan
- Department of Hematology/Oncology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - S A Green
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - E Camacho
- Department of Hematology and Medical Oncology, Comprehensive Cancer Center at the Desert Regional Medical Center, Palm Springs, CA
| | - S Khanani
- Department of Hematology/Oncology, Reliant Medical Group, Worcester, MA
| | | | | | - L W Liang
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - S J Noga
- Department of Oncology, Weinberg Cancer Institute, Baltimore, MD, USA
| | - B L Rapoport
- Department of Medical Oncology, Medical Oncology Center of Rosebank, Johannesburg, South Africa
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8
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Pimentel D, Cooperstein S, Randell H, Filiberto D, Sorrentino S, Kaye B, Nicklin C, Yagi J, Brian J, O’Hern J, Habas A, Weinstein C. Ecology of Increasing Diseases: Population Growth and Environmental Degradation. Hum Ecol Interdiscip J 2007; 35:653-668. [PMID: 32214603 PMCID: PMC7087838 DOI: 10.1007/s10745-007-9128-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The World Health Organization (WHO) and other organizations report that the prevalence of human diseases during the past decade is rapidly increasing. Population growth and the pollution of water, air, and soil are contributing to the increasing number of human diseases worldwide. Currently an estimated 40% of world deaths are due to environmental degradation. The ecology of increasing diseases has complex factors of environmental degradation, population growth, and the current malnutrition of about 3.7 billion people in the world.
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Affiliation(s)
- D. Pimentel
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - S. Cooperstein
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - H. Randell
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - D. Filiberto
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - S. Sorrentino
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - B. Kaye
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - C. Nicklin
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - J. Yagi
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - J. Brian
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - J. O’Hern
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - A. Habas
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
| | - C. Weinstein
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853–0901 USA
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Macdonald RD, Swanson JM, Mottley JL, Weinstein C. Performance and error analysis of automated external defibrillator use in the out-of-hospital setting. Ann Emerg Med 2001; 38:262-7. [PMID: 11524645 DOI: 10.1067/mem.2001.117953] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
STUDY OBJECTIVE We determined whether automated external defibrillators (AEDs) can meet the American Heart Association performance criteria to detect and shock unstable cardiac rhythms (ventricular fibrillation [VF], ventricular tachycardia [VT]) in the setting of an out-of-hospital cardiac arrest. METHODS AED performance was reviewed for cardiac arrests occurring between January 1, 1995, and December 31, 1997. After every cardiac arrest, data regarding each rhythm analyzed and subsequent response (shock or no shock) were downloaded from the AED memory module. The study paramedic and study physician independently reviewed each case and interpreted cardiac rhythms from downloaded AED data. The emergency medical services medical director resolved all discrepancies in a blinded manner. All cases of out-of-hospital cardiac arrest in which an AED was turned on and a rhythm analyzed were included. The primary objective was the correct identification and defibrillation of VF or VT. Sensitivity, specificity, and predictive values with 95% confidence intervals (CIs) were calculated. Sources of error in AED rhythm management are also described. RESULTS A total of 3,448 AED rhythms were available for interpretation. Sensitivity and specificity for appropriate AED management of a shockable (VF or VT) rhythm were 81.0% (95% CI 77.9% to 83.8%) and 99.9% (95% CI 99.7% to 100%), respectively. Positive and negative predictive values were 99.6% (95% CI 98.7% to 99.9%) and 95.5% (95% CI 94.7% to 96.2%), respectively. There were 132 errors associated with AED management. Two errors resulted in delivery of an inappropriate shock. In the remaining 130 errors, a shockable rhythm was not shocked. Fifty-five (42.3%) errors were AED dependent, 70 (53.9%) were operator dependent, and 5 (3.9%) were unclassified. CONCLUSION The AED had high specificity and moderately high sensitivity in detecting and shocking unstable cardiac rhythms in the out-of-hospital setting. Few cardiac rhythms were mismanaged by the AED. Elimination of operator-dependent errors could increase AED sensitivity.
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Affiliation(s)
- R D Macdonald
- Department of Emergency Medicine, Boston Medical Center and Boston University School of Medicine, Boston, MA, USA.
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Abstract
Facial aging occurs secondary to gravity-induced tissue ptosis and photoaging. Combined face lifting and carbon dioxide laser resurfacing provides a comprehensive one-stage approach to facial rejuvenation but is condemned by many plastic surgeons due to the nonspecific thermal effects of the laser and risk of skin necrosis. Newer high-energy erbium:YAG lasers allow precise tissue ablation with minimal thermal effect. In this study, various facial rejuvenation techniques were combined with simultaneous erbium:YAG laser resurfacing to assess results and complications. A total of 257 patients from Florida, Melbourne, Australia, and Tel Aviv, Israel, underwent combined erbium:YAG laser resurfacing and surgical facial rejuvenation. Various face-lift methods were used, including endoscopic, deep plane, and subcutaneous. Simultaneous, full-facial laser resurfacing was performed using a variety of erbium:YAG lasers. It was found that combined laser resurfacing and face lifting was successful in greater than 95 percent of patients with minimal morbidity. Two patients (1 percent) (both heavy smokers) developed small areas of skin necrosis that healed with minor pigment changes. Five patients (2 percent) developed synechia that was treated with no residual effect. Two additional patients (1 percent) developed temporary ectropion. There were no other cases of scarring, infection, or cosmetically obvious hypopigmentation. Although larger studies are necessary, it seems that the lack of thermal injury from the erbium:YAG laser makes it possible to safely perform laser resurfacing with surgical facial rejuvenation in nonsmokers. However, the authors caution that familiarity with the nuances of erbium:YAG laser resurfacing be obtained before performing combined laser resurfacing and face lifting.
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Weinstein C. The National Clinical Guidelines for Stroke. J R Coll Physicians Lond 2000; 34:402. [PMID: 11005085 PMCID: PMC9665482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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Weinstein C, Scheflan M. Simultaneously combined ER:YAG and carbon dioxide laser (derma K) for skin resurfacing. Clin Plast Surg 2000; 27:273-85, xi. [PMID: 10812526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The simultaneously combined Er:YAG and carbon dioxide laser is ideally suited for treating deeper wrinkles with greater accuracy than either laser alone. By combining the precise ablative properties of the Er:YAG laser with the coagulative properties of the carbon dioxide laser, it is possible to control the depth of skin resurfacing to minimize complications and improve difficult and substantial wrinkles.
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Affiliation(s)
- C Weinstein
- Laser Surgery Institute of Melbourne, East Melbourne, Victoria, Australia
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Weinstein C. Postoperative laser care. Clin Plast Surg 2000; 27:251-62. [PMID: 10812524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Postoperative laser care is critical to the successful performance of CO2 and erbium laser resurfacing. Anticipation and prevention of postoperative problems and complications leads to greater patient satisfaction and fewer permanent sequalae. In most situations, a team approach, with the use of trained nurses and aestheticians, ensures greater success in this critical postoperative period. Laser resurfacing is one of the few procedures in which the surgery is only beginning when the surgeon leaves the operating suite.
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Affiliation(s)
- C Weinstein
- Laser Surgery Institute of Melbourne, East Melbourne, Victoria, Australia
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Weinstein C. Modulated dual mode erbium/CO2 lasers for the treatment of acne scars. J Cutan Laser Ther 1999; 1:204-8. [PMID: 11360461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
Abstract
BACKGROUND Treatment of acne scarring is a challenging problem for dermatologists and cosmetic surgeons. Combining skin resurfacing with other procedures, especially the use of filling agents, has proven to be superior to the use of a single modality. Carbon dioxide laser resurfacing has been popularized for the treatment of acne scarring, but post operative morbidity with stimulation of active acne has been problematic. Conventional erbium resurfacing is effective when sufficient fluences are used, particularly when treating relatively superficial acne scars. Deeper resurfacing for acne scars is difficult with erbium lasers, owing to bleeding and heavy exudation, which decreases ablation efficiency and makes 'end points' difficult to visualize. The newer modulated hybrid erbium/CO2 lasers (Derma K, ESC Sharplan, Yokneam, Israel) produce efficient ablation by the reduction of bleeding, yet at the same time incur little post operative morbidity. This is suitable for treating deeper acne scars, and may be combined with other procedures, e.g. fat grafting. Of particular importance is the lack of acne stimulation associated with the use of the erbium/CO2 hybrid lasers. RESULTS In my series of 78 patients, improvement in acne scarring was > 70% in the majority of patients. Post operative morbidity and complications were minor compared to conventional CO2 laser resurfacing.
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MacDonald RD, Swanson JM, Mottley JL, Weinstein C. Performance analysis of semiautomatic defibrillators used in the out-of-hospital setting. Ann Emerg Med 1999. [DOI: 10.1016/s0196-0644(99)80144-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Abstract
Laser skin resurfacing has enjoyed great popularity in recent years with the introduction of computerized, pulsed carbon dioxide lasers. However, the morbidity and side effects of carbon dioxide lasers have stimulated a search for alternative methods of skin remodeling. The erbium:YAG laser can be successfully used for skin resurfacing, with lower morbidity than the carbon dioxide laser. In a series of 625 patients who had erbium:YAG resurfacing, the following conclusions were reached. (1) Long-term (> 6 months) improvement in wrinkles and acne scars required total fluences exceeding 20 J/cm2. Periocular wrinkles required total fluences of between 20 and 40 J/cm2, depending on the depth of the wrinkles and skin thickness. Perioral rhytids required total fluences of between 40 and 80 J/cm2, whereas the cheeks and forehead required total fluences of 30 to 60 J/cm2. (2) Deeper wrinkles were best treated with a combination of erbium and carbon dioxide lasers, which minimized the bleeding that occurs with deeper erbium resurfacing. The simultaneous combined erbium with carbon dioxide laser was particularly advantageous. (3) Complications were relatively uncommon using the scanning erbium laser, and most adverse effects occurred early in the series. Scarring occurred in 5 of the 625 patients (0.8 percent) and mostly resolved with intralesional steroids. Hyperpigmentation occurred in 21 of the 625 patients (3.4 percent) and was temporary in nature. Hypopigmentation, which became evident after 6 months, occurred in 25 of the 625 patients (4.0 percent) but was mild and not a significant cosmetic problem, except in one patient who developed scarring on the neck. Hypopigmentation seemed to be related to the depth of resurfacing. Four of the 625 patients (0.6 percent) developed temporary scleral show, but no patients had permanent ectropion. Eight of the 625 (1.3 percent) developed synechiae under the lower eyelid, which required minor correction.
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Affiliation(s)
- C Weinstein
- Medical Cosmetic Laser Centre, Melbourne, Australia
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17
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Abstract
Laser skin resurfacing has become increasingly popular as a method of facial rejuvenation. Although carbon dioxide (CO2) laser resurfacing is extremely effective, there is considerable morbidity associated with this procedure. Erbium (Er):YAG lasers, like CO2 lasers, are highly absorbed by water, and are absorbed superficially in skin. In our study of 141 patients using the computerized scanning Er:YAG laser, we found that it was possible to precisely ablate skin with less thermal injury than the currently available scanning CO2 lasers. The scanning system allowed very precise and homogeneous skin ablation. It was possible to ablate epidermis and superficial dermis, although deeper resurfacing led to pinpoint bleeding. Furthermore, healing was more rapid than generally experienced using CO2 lasers. Erythema was less marked, and disappeared usually within 3-4 weeks. Histological studies confirmed the minimal degree of thermal injury, as was evident clinically. Fluences of at least 20 J/cm2 were necessary to produce new collagen formation.
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Affiliation(s)
- C Weinstein
- Laser House, East Melbourne, Victoria, Australia
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18
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Abstract
Facial skin resurfacing using the carbon dioxide laser has become an increasingly popular procedure. Improvements in carbon dioxide laser technology have made the procedure simpler and more reliable. However, difficulties and problems in the postoperative period can lead to patient morbidity and physician anxiety. The authors have performed laser resurfacing in almost 2,000 patients in the last 4 years. Problems encountered and methods formulated to minimize postoperative complications are discussed.
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Affiliation(s)
- C Weinstein
- Day Procedure Centre, Freemasons Hospital, East Melbourne, Australia
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Weinstein C. Carbon dioxide laser resurfacing combined with endoscopic forehead lift, laser blepharoplasty, and transblepharoplasty corrugator muscle resection. Dermatol Surg 1998; 24:63-7. [PMID: 9464290 DOI: 10.1111/j.1524-4725.1998.tb04053.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Endoscopic forehead lifting has become an increasingly popular method for rejuvenating the upper face, due to its less invasive nature and minimal scars. However, adequate ablation of frown muscles (i.e., corrugator and depressor supercili) is difficult with this approach. The frown muscles are in close proximity to the upper eyelid, and it is possible to oblate them via the blepharoplasty approach using the carbon dioxide laser. OBJECTIVE The purpose of this paper is to describe the combined approach of endoscopic forehead lifting and carbon dioxide laser resurfacing to rejuvenate the upper face. The former technique addresses the issue of brow elevation and improvement of dynamic glabellar frown lines. The latter technique deals with static wrinkles caused by sun damage. METHODS AND RESULTS Thirty-seven patients underwent endoscopic forehead lift, transblepharoplasty corrugator ablation, with simultaneous carbon dioxide laser resurfacing of forehead skin. Twenty-eight of 37 patients (76%) achieved excellent results, while nine of 37 (14%) experienced good results. Complications were minimal, being mostly due to inadequate corrugator muscle resection with recurrent frowning. There were no instances of scarring, skin necrosis, or permanent hair loss. CONCLUSION The combination of endoscopic forehead lifting, transblepharoplasty corrugator muscle resection, and carbon dioxide laser resurfacing is an effective and safe technique for rejuvenating the upper face, producing a natural result with minimal complications.
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Affiliation(s)
- C Weinstein
- Day Procedure Centre, Freemasons Hospital, East Melbourne, Australia
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Weinstein C. Carbon dioxide laser resurfacing. Long-term follow-up in 2123 patients. Clin Plast Surg 1998; 25:109-30. [PMID: 9507801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Carbon dioxide (CO2) laser resurfacing has become increasingly popular as a method of facial rejuvenation, enabling the surgeon to repair sun-damaged skin, wrinkles, and acne scars precisely. This article presents the results of the authors' histologic studies with all of the current CO2 laser systems as well as the conclusions of her experience with 2123 patients over a 5-year period. Improvements obtained from CO2 laser resurfacing appear to be long lasting, especially when combined with other procedures, and it is likely that laser resurfacing will remain in the armamentarium of facial rejuvenation for some time.
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Abstract
Facial skin resurfacing using the carbon dioxide laser has become an increasingly popular procedure. Improvements in carbon dioxide laser technology have made the procedure simpler and more reliable. However, difficulties in the postoperative period can lead to patient morbidity and physician anxiety. Common problems such as prolonged erythema, hyperpigmentation, acne, milia, dermatitis, and infection can be controlled or avoided with proper postoperative care. Less common sequela such as hypertrophic scarring and prolonged healing are often a results of errors committed in the postoperative period. The authors have performed laser resurfacing in almost 2100 patients in the last 4 years. Changes in the postoperative regimen to include no pretreatment, use of semipermeable dressings, antiviral and antibacterial prophylaxis, and early treatment with sunscreens and bleaching agents have made for a smoother recovery with more predictable results.
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Affiliation(s)
- C Weinstein
- Freemasons Medical Center, East Melbourne, Australia
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Sepúlveda C, Puente J, Weinstein C, Wolf ME, Mosnaim AD. Enhancement of natural killer cell activity in HIV-1-infected subjects by a mixture of the calcium ionophore A23187 and the phorbol ester TPA: lack of response to a similar challenge with interleukin-2 or alpha-interferon. Am J Ther 1997; 4:413-21. [PMID: 10423640 DOI: 10.1097/00045391-199711000-00013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
When compared to controls (n = 30), human immunodeficiency virus type-1 (HIV-1)-positive individuals, either asymptomatic (n = 10) or diagnosed with acquired immunodeficiency syndrome (AIDS) (n = 10), showed a statistically significant decrease in the percentage and absolute number of CD4 ( + ) T-lymphocyte cells (flow cytometry, Becton Dickinson FACScan; mean +/- SD of 42.6 +/- 6.9 and 948.5 +/- 393.3, 19.5 +/- 8.7 and 269.8 +/- 174.3, 4.6 +/- 4.1 and 60.1 +/- 134.3, respectively; Student's t- test, p < 0.05). However, this decrease was less marked in asymptomatic patients; in fact, the percentage and number of the above cells in this group of subjects was significantly higher than in the AIDS patients (Student's t-test, p < 0.05). However, we failed to find significant differences in the percentage of natural killer cells (NKCs; CD15 ( + ) CD56 ( + ) ) between the HIV-1-infected asymptomatic or AIDS groups of patients, or when compared with the controls (mean +/- SD of 10.4% +/- 9.4%, 14.3% +/- 9.7%, and 14.8% +/- 6.4%, respectively). Whereas either group of patients had a lower number of NKCs per microliter than the control group (mean +/- SD of 137.8 +/- 87.6, 91.1 +/- 98.3, and 331. 5 +/- 266.5, respectively), this decrease only reached statistical significance for the AIDS patients (Student's t-test, p < 0.05). Healthy controls showed statistically significantly higher NKC activity than either the HIV-1-infected asymptomatic or AIDS group of patients (K-562 target cell; mean +/- SD and range values as percentage of specific lysis of 19.1% +/- 15.6% and 2.4%-58.2%, 3.4% +/- 3.2% and less than 0.1% [non-detectable]-10.3%, and 6.4% +/- 5. 5% and less than 0.1%-19.5%, respectively; Student's t-test, p < 0. 05). Challenge of samples from the control group with either interleukin-2, alpha-interferon, or with a mixture of the calcium ionophore A23187 (Io) plus the 12-O-tetradecanoylphorbol-13-acetate ester (TPA) resulted in every case in a statistically significant increase in NKC lytic function (mean +/- SD and range values as percentage of specific lysis of 19.1% +/- 15.6% and 2.4%-58.2%, 27. 6% +/- 17.4% and less than 0.1%-56.0%, 32.1% +/- 20.9% and 2.1%-76. 4%, and 62.6% +/- 24.0% and 16.7%-95.0%, respectively; Student's t-test, p < 0.05). A similar challenge for samples from the HIV-1-positive subjects, either asymptomatic or with AIDS, resulted in most cases in an enhanced NKC activity; however, this increase in NKC lytic function reached statistical significance only for the group of Io + TPA-incubated samples (Student's t-test, p < 0.05). These results indicate that control or patient baseline NKC activity, and the response of this cellular immune function to a challenge with different immunomodulators, are phenotype-independent. They also suggest an association between HIV-1 infection and alterations in the initial mechanisms responsible for NKC activation; a similar general explanation has been suggested to account for the abnormal NKC lytic function observed in various severe pathological conditions, e.g., extensive burns, polytrauma, and sepsis. Understanding the molecular mechanism involved in regulating initial NKC activation could provide the rational basis for the design of newer pharmacological strategies to treat these conditions.
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Affiliation(s)
- C Sepúlveda
- Department of Medicine, University of Chile School of Medicine, J.J Aguirre Clinical Hospital, Santiago, Chile
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Weinstein C, Roberts TL. Aesthetic skin resurfacing with the high-energy ultrapulsed CO2 laser. Clin Plast Surg 1997; 24:379-405. [PMID: 9142475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
CO2 laser resurfacing, using the new generation high-energy output pulsed lasers, provides a highly accurate method of resurfacing and rejuvenating facial skin. Its applications are widespread and well accepted by the general population (Color Figs. 3 to 8). Complications may occur, which may be minimized through adequate laser training and appreciation of the mechanisms of skin healing.
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Affiliation(s)
- C Weinstein
- Freemasons Day Procedure Centre, East Melbourne, Victoria, Australia
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Drozdenko R, Pennisi SC, Minkin W, Spivak H, Weinstein S, Weinstein C. A model to assess the effectiveness of topical antipruritics. Skin Pharmacol 1996; 9:334-42. [PMID: 8990509 DOI: 10.1159/000211441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A model has been developed to determine the effectiveness of topical antipruritics. It utilizes controlled, experimentally induced itch and has demonstrated the effectiveness of the direct action on cutaneous receptor sites of a topical anesthetic, benzocaine, in a topical antipruritic formulation, and has been used to differentiate between two effective topical antipruritics. Three studies are presented: The first study examined the reliability of the experimentally induced itch. Several indices of reliability were computed from the data of this first study. Cronbach's alpha was 0.92. Winer's theta also was 0.92. Simple test-retest reliability, computed at intervals of 29 min, 1 day, and 6-7 days, resulted in Pearson correlations of 0.84, 0.73, and 0.60, respectively. In the second study, the model differentiated statistically between the itch relief resulting from the topical application of a formulation with 6% benzocaine and the same formulation without benzocaine. The third study examined 2 known topical antipruritics: one containing 6% benzocaine and the other 1% hydrocortisone. Both topical antipruritics were found to relieve itch; however, the benzocaine antipruritic produced statistically significantly greater itch relief in more subjects than the hydrocortisone antipruritic at both 1 and 30 min after application. These results demonstrate that OTC antipruritics can be differentiated for effectiveness.
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Cole R, Hirschman L, Atlas L, Beckman M, Biermann A, Bush M, Clements M, Cohen L, Garcia O, Hanson B, Hermansky H, Levinson S, McKeown K, Morgan N, Novick D, Ostendorf M, Oviatt S, Price P, Silverman H, Spiitz J, Waibel A, Weinstein C, Zahorian S, Zue V. The challenge of spoken language systems: Research directions for the nineties. ACTA ACUST UNITED AC 1995. [DOI: 10.1109/89.365385] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Sadick NS, D'Amelio DL, Weinstein C. The modified buried vertical mattress suture. A new technique of buried absorbable wound closure associated with excellent cosmesis for wounds under tension. J Dermatol Surg Oncol 1994; 20:735-9. [PMID: 7962933 DOI: 10.1111/j.1524-4725.1994.tb03195.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Recent modifications of mattress suturing techniques have been reported producing rapid and effective skin eversion and excellent tensile strength while producing cosmetically elegant results. OBJECTIVE Presented here is a new modification of the buried vertical mattress suture. Results employing this technique compared with conventional bi-layered wound closure are presented. METHODS One hundred patients were analyzed in a double-blind randomized study where excision was carried out on benign pigmented lesions of the upper back. Fifty patients were treated by a conventional bi-layered closure technique while another 50 patients were treated by the newly described buried vertical mattress suture technique. Parameters of infection, hypertrophic scar/keloid formation, dehiscence, suture reaction, wound spread, and patient satisfaction were examined. RESULTS The modified buried vertical mattress suture technique produced less hypertrophic scar/keloid formation (2% vs 16%) as well as less wound scar spread (6% vs 24%) compared with conventional bi-layered suturing techniques. In addition, it was associated with a high degree of patient satisfaction (96%). CONCLUSION The modified buried dermal mattress suture technique produces excellent cosmetic results in closing elliptical excisions on thick dermal cutaneous anatomic areas under considerable wound tension. Its decreased requirement for postoperative wound care makes it an excellent alternative for patients living long distances from physician referral centers.
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Affiliation(s)
- N S Sadick
- Department of Dermatology, New York Hospital-North Shore University Hospital, Cornell University Medical College, New York
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27
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Abstract
Removal of periocular wrinkles is a common yet difficult problem. There are many techniques currently available, all of which have some drawbacks. With the advent of new generation ultrapulse carbon dioxide lasers, skin can now be resurfaced successfully with minimal risk and side effects. In our study of 36 patients we assessed the benefit of using ultrapulse carbon dioxide (CO 2) laser to resurface the periorbital skin in association with transconjunctival lower lid CO 2 laser blepharoplasty. We found that 36/36 (100%) patients had good to excellent results. The incidence of side effects was very low. We also found that 2/36 (5.6%) of patients developed mild clinically insignificant hypopigmentation and 1/36 (2.8%) developed mild scarring, which resolved with one injection of triamanalone 10 mg/ml. No patients had hyperpigmentation. In addition, 1/36 (2.8%) patients developed transient ectropion, which resolved spontaneously in 6 weeks. We conclude that ultrapulse CO 2 laser is an excellent method for treating periocular wrinkle lines and can be readily performed in conjunction with a transconjunctival lower lid blepharoplasty.
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Affiliation(s)
- C Weinstein
- Freemasons Day Procedure Centre, East Melbourne, Victoria, Australia
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Pauly RR, Passaniti A, Bilato C, Monticone R, Cheng L, Papadopoulos N, Gluzband YA, Smith L, Weinstein C, Lakatta EG. Migration of cultured vascular smooth muscle cells through a basement membrane barrier requires type IV collagenase activity and is inhibited by cellular differentiation. Circ Res 1994; 75:41-54. [PMID: 8013081 DOI: 10.1161/01.res.75.1.41] [Citation(s) in RCA: 186] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The migration of vascular smooth muscle cells (VSMCs) from the tunica media to the neointima is a key event in the development and progression of many vascular diseases and a highly predictable consequence of mechanical injury to the blood vessel. In vivo, VSMCs are surrounded by and embedded in a variety of extracellular matrices (ECMs) that must be traversed during migration. One of the principal barriers to cell movement in the intact vessel is the basement membrane (BM) that surrounds each VSMC and separates the VSMC-containing medial cell layer from the endothelium. We have used a Boyden chamber to monitor the ability of VSMCs to degrade a BM barrier as they migrate toward a chemoattractant and to define the role of extracellular proteases in this process. We show that cultured VSMCs can migrate across a BM barrier and that this ability was dependent on the phenotypic state of the cell. VSMCs maintained in a proliferating or "synthetic" state readily migrated across a BM toward a chemoattractant, whereas the migration of serum-starved/differentiated VSMCs was suppressed by > 80% (P < .001). By use of a number of peptides that inhibit matrix metalloproteinase (MMP) activity, the migration of proliferating VSMCs across the BM barrier was inhibited by > 80% (P < .0001), whereas migration that occurred in the absence of the barrier was unaffected. Northern blotting and zymographic analyses indicated that 72-kD type IV collagenase (MMP2) was the principal MMP expressed and secreted by these cells. Accordingly, antisera capable of selectively neutralizing MMP2 activity also inhibited VSMC migration across the barrier without significantly affecting the migration of VSMCs in the absence of the barrier. Finally, MMP2 activity was also regulated by the phenotypic state of the cells in that MMP2 activity expressed by serum-starved/differentiated VSMCs was < 5% of that measured in proliferating VSMCs. Extrapolating to the in vivo situation in which VSMCs reside in an ECM composed of various BM barriers, these results suggest that VSMC migration in vivo may be dependent on MMP2 activity. That activity, in turn, could be regulated by the phenotypic state of VSMCs and increase as these cells undergo the transition from a quiescent and differentiated state to that of a dedifferentiated, proliferating, and motile phenotype after injury to the vessel.
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Affiliation(s)
- R R Pauly
- Laboratory of Cardiovascular Science, National Institute on Aging, Baltimore, MD 21224
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29
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Pelclova D, Weinstein C, Vejlupkova J. Occupational health in the czech republic: old and new solutions. New Solut 1994; 4:70-75. [PMID: 22910926 DOI: 10.2190/ns4.3.k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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30
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Abstract
Sensibility is much more than protective sensation, and the examiner needs to consider the various degrees of residual sensibility that influence both diagnosis and prognosis. Towards that end, objective tests of the extent and nature of peripheral nerve involvement should be employed. Objective tests reflect the current condition of sensibility and are not affected by cognitive influences, such as re-education. Most current clinical instruments used for measurement of sensibility fail to meet the criteria of an objective test because they: (1) can be shown to lack necessary sensitivity, and (2) are too variable. As a consequence, regardless of whether these instruments have been used in controlled clinical studies or are in common use, their results will not replicate with repeated testing. Unfortunately, therefore, sensibility changes will potentially go unrecognized in a large number of patients and many will be detected only in the later stages of peripheral nerve abnormality, when possibilities of treatment are less effective. This article discusses sensibility testing from the standpoint of what is known regarding strengths and weaknesses of various tests and sensory modalities, and makes an appeal for clinicians to review the instruments they use critically for sensibility measurement with regard to stimulus control. Clinicians must insist on validity and reliability in their instruments before they have confidence in the data obtained.
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Affiliation(s)
- J Bell-Krotoski
- Rehabilitation Research Department, Gillis W. Long Hansen's Disease Center, Carville, Louisiana 70721
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31
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Ward M, MacDonald L, Higgs P, Weinstein C. A survey of long-term care elderly patients in the South West Thames Region. Health Trends 1991; 24:18-9. [PMID: 10122487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
This paper describes a survey which focuses on the patients in National Health Service long-term care beds. It examines the dependency levels and mental impairment of geriatric patients in 15 Departments of Geriatric Medicine, and determines the extent and distribution of patient dependency, including the number of independent patients. The findings support the view that there is a need for National Health Service long-term care beds.
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Affiliation(s)
- M Ward
- St Helier Hospital, Carshalton
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32
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Affiliation(s)
- P Diggory
- Division of Geriatric Medicine, St George's Hospital Medical School, London, UK
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33
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Abstract
The hypothesis that deficits in orotactile sensitivity may affect gustation and palatability is not new. It is supported by animal models employing deafferentation; however, little direct evidence supports the application of the model to humans. Indirect evidence comes from four separate fields: (1) neuroanatomy, (2) physiology, (3) developmental biology, and (4) learning theory. The results of a pilot study with humans provide additional direct evidence that implicates the role of orotactile sensitivity in human gustation. In this pilot study, the oral cavity was topically anesthetized to determine whether gustation would be compromised to a similar extent as orotactile sensitivity. The time course of the degree of anesthesia was determined by prior measurements of oral-tactile sensitivity using an oral air-based aesthesiometer. Different concentrations of NaCl-solution were presented to subjects in order to determine gustatory thresholds before and after anesthesia. Analysis of magnitude-estimation data indicated that there were statistically significant decreases in gustatory sensitivity after anesthesia. Basic and applied implications of this area of research are discussed.
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Affiliation(s)
- S Weinstein
- NeuroCommunication Research Laboratories, Inc., Danbury, CT
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34
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Obarski TP, Stoller JK, Weinstein C, Hayden S. Splenic infarction. A new thrombotic manifestation of the circulating lupus anticoagulant. Cleve Clin J Med 1989; 56:174-6. [PMID: 2499427 DOI: 10.3949/ccjm.56.2.174] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Thrombotic events are occasionally associated with circulating lupus anticoagulant and may take a variety of clinical forms. The authors report a thrombotic manifestation, spontaneous isolated splenic infarction that occurred in a young man with circulating lupus anticoagulant.
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35
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Weinstein C, Miller MH, Axtens R, Littlejohn GO, Dorevitch AP, Buchanan R. Lupus and non-lupus cutaneous manifestations in systemic lupus erythematosus. Aust N Z J Med 1987; 17:501-6. [PMID: 3328608 DOI: 10.1111/j.1445-5994.1987.tb00108.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Mucocutaneous manifestations occur frequently in systemic lupus erythematosus (SLE). Common non-lupus dermatoses may be confused with lupus rashes, with important clinical consequences. A study of 84 consecutive patients with SLE was performed to determine the comparative frequency of lupus and non-lupus mucocutaneous abnormalities, the comparative sensitivity of routine histology and immunofluorescence in the diagnosis of lupus rashes, and the association of skin manifestations with other clinical and serological features. Thirty-five patients had dermatoses attributable to SLE (mean 3.7 per patient) and 58 had dermatoses which were not directly attributable to SLE (mean 2.1 per patient), highlighting the need for accurate diagnosis of skin rashes in SLE patients. Routine histology confirmed the clinical diagnosis of typical cutaneous lupus in 100% of malar lupus rashes and in approximately 90% of subacute cutaneous and discoid lupus rashes. Direct immunofluorescence of the affected skin provided supportive evidence of cutaneous lupus in 60% of malar lupus rashes and approximately 50% of subacute cutaneous and discoid lupus rashes. This reaffirmed the poor sensitivity of immunofluorescence, compared with routine histology, in the diagnosis of lupus rashes. The association of subacute cutaneous lupus with anti-Ro antibodies was confirmed.
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Affiliation(s)
- C Weinstein
- Prince Henry's Hospital, Melbourne, Vic, Australia
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36
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Littlejohn GO, Weinstein C, Helme RD. Increased neurogenic inflammation in fibrositis syndrome. J Rheumatol 1987; 14:1022-5. [PMID: 3480954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Mechanically induced vasodilatation or flare on the skin, known as dermatographia, is a common clinical observation in fibrositis syndrome and is thought to be a neurogenically mediated axon reflex response. In our study, mechanically and chemically induced flares were quantitated in 13 patients with fibrositis syndrome and 14 control subjects. There was a reduced threshold for chemically induced flare response and the area of flare was greater in patients compared to controls, although there was a wide range of responses in both groups. There was also a significant positive correlation between mechanically and chemically induced flares, and the number of tender points in all subjects correlated with the size of the chemically induced flare. We suggest that exaggerated neurogenic inflammatory responses in patients with fibrositis syndrome reflect increased activity of polymodal nociceptors of unmyelinated primary afferent nerves. This increased receptor activity may also contribute to the pain and tenderness experienced by these patients.
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Affiliation(s)
- G O Littlejohn
- Monash University Department of Medicine, Prince Henry's Hospital, Melbourne, Australia
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37
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39
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Weinstein C. Livedo reticularis associated with increased titers of anticardiolipin antibodies in systemic lupus erythematosus. ACTA ACUST UNITED AC 1987. [DOI: 10.1001/archderm.123.5.596] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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40
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Weinstein C, Miller MH, Axtens R, Buchanan R, Littlejohn GO. Livedo reticularis associated with increased titers of anticardiolipin antibodies in systemic lupus erythematosus. Arch Dermatol 1987; 123:596-600. [PMID: 3579340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Seventy-eight consecutive patients with systemic lupus erythematosus were assessed for the presence of livedo reticularis. The possible association of livedo reticularis with other clinical and laboratory features including anticardiolipin antibodies was explored. Thirty-eight patients had livedo reticularis. Four cases were severe, 11 moderate, and 23 mild. There was a statistically significant association between the combined moderate and severe livedo reticularis group and elevated levels of anticardiolipin antibodies. The recognized association of anticardiolipin antibodies with thrombotic events suggests a possible pathogenetic role. The presence or history of central nervous system disease, renal disease, vasculitis, or lupus inhibitor was significantly associated with the moderate and severe livedo reticularis group. Livedo reticularis may be a cutaneous marker for the later development of important systemic events in systemic lupus erythematosus.
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41
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Helm-Estabrooks N, Yeo R, Geschwind N, Freedman M, Weinstein C. Stuttering: disappearance and reappearance with acquired brain lesions. Neurology 1986; 36:1109-12. [PMID: 3736877 DOI: 10.1212/wnl.36.8.1109] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Despite 60 years of study, the brain mechanisms for stuttering are unknown. In an effort to shed light on these mechanisms, we studied two cases in which the fluency of speech changed after brain damage in adulthood. The first, an ambidextrous man, ceased to stutter after a head injury. The second, a converted left-handed man, experienced recurrence of childhood stuttering after a stroke.
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42
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Abstract
The occurrence of preterm labor is not uncommon in the pregnant quadriplegic. Early diagnosis is hampered by the inability of most quadriplegics to sense uterine contractions in the usual way. A patient we recently treated for preterm labor learned to recognize contractions by the associated symptoms of autonomic hyper-reflexia: flushing, headache, and piloerection. Tocolytic therapy was successful and a favorable neonatal outcome occurred. Increased awareness by the physician and the pregnant quadriplegic patient is encouraged so that symptoms of autonomic hyper-reflexia may be recognized as potentially indicative of uterine contractions.
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43
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Kahrs SJ, Weinstein C, Douwes J, Alexander J, Weinstein S. Effect of exercise training and diet modification on serum lipids and lipoproteins in coronary artery disease patients treated with thiazides. Clin Cardiol 1985; 8:636-40. [PMID: 4075609 DOI: 10.1002/clc.4960081205] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The effects of chronic exercise training and diet modification on serum lipids and lipoproteins were measured in 17 hypertensive males and 41 normotensive males with documented coronary artery disease (CAD). Exercise consisted of aerobic activities which were performed at approximately 75-85% of the symptom-limited maximum heart rate for 30-40 minutes, three times weekly for 3 months. Each participant's diet was also controlled, the recommended daily intake of fat and cholesterol was no more than 40 g/day and 200 mg/day, respectively. Significant increases in estimated VO2max and total cholesterol/high density lipoprotein (HDL) and a significant decrease in serum triglycerides were documented after training. Significant differences in serum cholesterol and triglycerides between the nondiuretic and diuretic patients were also noted. No significant changes were found in low density lipoprotein (LDL), HDL, or body weight. Vigorous aerobic training and diet modification can favorably modify the deleterious effects of diuretic medications on serum triglycerides and total cholesterol/HDL in patients with documented CAD.
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Catanzarite VA, Ferguson JE, Hensleigh P, Weinstein C, Cortina P. Management of pregnancy subsequent to rupture of an intracranial arterial aneurysm. Am J Perinatol 1984; 1:174-6. [PMID: 6518064 DOI: 10.1055/s-2007-999997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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45
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Butter CM, Weinstein C, Bender DB, Gross CG. Localization and detection of visual stimuli following superior colliculus lesions in rhesus monkeys. Brain Res 1978; 156:33-49. [PMID: 100175 DOI: 10.1016/0006-8993(78)90077-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Rhesus monkeys were trained to fixate a central stimulus and to detect and localize a 50 msec light flash presented 6-80 degrees on either side of the central stimulus. Following large lesions of the superior colliculus, they showed persistent deficits in localizing flashes presented 43-80 degrees from the fixation stimulus. However, they were not consistently impaired when the flashes were presented more centrally, and their performance with peripheral stimuli improved when the stimulus duration was 1 sec. Thus, the superior colliculus appears to be necessary for the localization of brief visual stimuli in the far periphery.
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46
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47
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Wein J, Roberts E, Fox M, Weinstein C. Free amino acids in E.L.4 mouse ascites tumor cells taken from susceptible (C57BL) and resistant (B10.D2) mice. Cancer Res 1973; 33:2987-92. [PMID: 4795908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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48
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49
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Rabiner L, Cooley J, Helms H, Jackson L, Kaiser J, Rader C, Schafer R, Steiglitz K, Weinstein C. Terminology in digital signal processing. ACTA ACUST UNITED AC 1972. [DOI: 10.1109/tau.1972.1162405] [Citation(s) in RCA: 47] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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50
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Goetz IE, Weinstein C, Roberts E. Effects of protease inhibitors on growth of hamster tumor cells in culture. Cancer Res 1972; 32:2469-74. [PMID: 4628323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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