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Richardson A, Kumar J, Pennix T, Richardson K, Esses E, Bysani K, Amin A, Sandhu J, Jalaeian H, Bhatia S. Abstract No. 65 Prostate artery embolization: single-center experience of 807 patients with 6 years of follow-up. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.146] [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: 10/18/2022] Open
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Kumar J, Richardson A, Pennix T, Aldajani M, Amin A, Sandhu J, Bysani K, Richardson K, Jalaeian H, Bhatia S. Abstract No. 64 Prostate artery embolization in prostate size less than 80 g: a single-center experience with 5 years of follow-up. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.145] [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: 11/24/2022] Open
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Kumar J, Richardson A, Richardson K, Sandhu J, Bysani K, Aldajani M, Esses E, Bokhari A, Jalaeian H, Bhatia S. Abstract No. 68 Comparison of prostate artery embolization for benign prostatic hyperplasia on prostate gland size less than 80 g versus greater than 80 g: retrospective review of short and mid-term outcomes. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.149] [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: 11/15/2022] Open
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Pennix T, Richardson A, Richardson K, Kumar J, Bokhari A, Aldajani M, Amin A, Sandhu J, Jalaeian H, Bhatia S. Abstract No. 70 Radiation exposure reduction with operator experience in prostatic artery embolization: a single-institution study. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.151] [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: 10/18/2022] Open
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Sandhu J, Harper A, Combeer A. P.42 Unsuccessful conversion of epidural analgesia to epidural anaesthesia in obstetric patients. Int J Obstet Anesth 2022. [DOI: 10.1016/j.ijoa.2022.103338] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Sandhu J, Jabr Y, Sidaginamale R, Logishetty R, Cooke N. 81 Getting It Right First Time (GIRFT): Preliminary Results from Incorporation of A Personalised Surgeon Template In Hip Arthroplasty Surgery Documentation. Br J Surg 2021. [DOI: 10.1093/bjs/znab134.362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Introduction
Following the publication of GIRFT guidelines for Total hip replacement operative note documentation produced from analysis of medical negligence claims notified to NHS resolutions by NHS trusts, we reviewed our compliance against the 24 criteria. This was a crucial exercise as inadequate documentation had huge medico-legal consequences and adverse outcome on patient safety. We proposed a pragmatic solution of incorporating prepopulated personalised template into ‘Trackcare' system and providing a dedicated desktop installed in surgeon's room for completion of operative notes.
Method
We led a team of 4 doctors to review our compliance against 24 criteria laid out by GIRFT. After retrospectively examining 20 operative records from a spread of consultants in the department. A re-audit following incorporation of personalised surgeon templates was conducted to close the loop.
Results
Our results showed out of 24 criteria; 8 criteria were met with 80-100% compliance while 15 criteria had <60% compliance. The incorporation of personalised surgeon template has raised compliance to > 90-100% in all 24 criteria.
Conclusions
A preliminary review of a single surgeon template has shown that it is simple to use, has excellent compliance, quick to complete the operative notes, advocates patient safety, is user-friendly and is very promising in minimising medico-legal claims for surgeons and the Trust.
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Affiliation(s)
- J Sandhu
- University Hospital North Tees, Stockton-on-Tees, United Kingdom
| | - Y Jabr
- University Hospital North Tees, Stockton-on-Tees, United Kingdom
| | - R Sidaginamale
- University Hospital North Tees, Stockton-on-Tees, United Kingdom
| | - R Logishetty
- University Hospital North Tees, Stockton-on-Tees, United Kingdom
| | - N Cooke
- University Hospital North Tees, Stockton-on-Tees, United Kingdom
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Ruetten H, Sandhu J, Mueller B, Wang P, Zhang HL, Wegner KA, Cadena M, Sandhu S, L Abler L, Zhu J, O'Driscoll CA, Chelgren B, Wang Z, Shen T, Barasch J, Bjorling DE, Vezina CM. A uropathogenic E. coli UTI89 model of prostatic inflammation and collagen accumulation for use in studying aberrant collagen production in the prostate. Am J Physiol Renal Physiol 2021; 320:F31-F46. [PMID: 33135480 PMCID: PMC7847049 DOI: 10.1152/ajprenal.00431.2020] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/09/2020] [Accepted: 10/24/2020] [Indexed: 11/22/2022] Open
Abstract
Bacterial infection is one known etiology of prostatic inflammation. Prostatic inflammation is associated with prostatic collagen accumulation and both are linked to progressive lower urinary tract symptoms in men. We characterized a model of prostatic inflammation using transurethral instillations of Escherichia coli UTI89 in C57BL/6J male mice with the goal of determining the optimal instillation conditions, understanding the impact of instillation conditions on urinary physiology, and identifying ideal prostatic lobes and collagen 1a1 prostatic cell types for further analysis. The smallest instillation volume tested (50 µL) distributed exclusively to the bladder, 100- and 200-µL volumes distributed to the bladder and prostate, and a 500-µL volume distributed to the bladder, prostate, and ureter. A threshold optical density of 0.4 E. coli UTI89 in the instillation fluid was necessary for significant (P < 0.05) prostate colonization. E. coli UTI89 infection resulted in a low frequency, high volume spontaneous voiding pattern. This phenotype was due to exposure to E. coli UTI89, not catheterization alone, and was minimally altered by a 50-µL increase in instillation volume and doubling of E. coli concentration. Prostate inflammation was isolated to the dorsal prostate and was accompanied by increased collagen density. This was partnered with increased density of protein tyrosine phosphatase receptor type C+, procollagen type I-α1+ copositive cells and decreased density of α2-smooth muscle actin+, procollagen type I-α1+ copositive cells. Overall, we determined that this model is effective in altering urinary phenotype and producing prostatic inflammation and collagen accumulation in mice.
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Affiliation(s)
- Hannah Ruetten
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Jaskiran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Brett Mueller
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Peiqing Wang
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
- Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Helen L Zhang
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Kyle A Wegner
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Mark Cadena
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Simran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Lisa L Abler
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Jonathan Zhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Chelsea A O'Driscoll
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Britta Chelgren
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Zunyi Wang
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
- Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Tian Shen
- Columbia University, Department of Medicine, New York, New York
| | | | - Dale E Bjorling
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
- Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Chad M Vezina
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
- Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
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McLean KA, Ahmed WUR, Akhbari M, Claireaux HA, English C, Frost J, Henshall DE, Khan M, Kwek I, Nicola M, Rehman S, Varghese S, Drake TM, Bell S, Nepogodiev D, McLean KA, Drake TM, Glasbey JC, Borakati A, Drake TM, Kamarajah S, McLean KA, Bath MF, Claireaux HA, Gundogan B, Mohan M, Deekonda P, Kong C, Joyce H, Mcnamee L, Woin E, Burke J, Khatri C, Fitzgerald JE, Harrison EM, Bhangu A, Nepogodiev D, Arulkumaran N, Bell S, Duthie F, Hughes J, Pinkney TD, Prowle J, Richards T, Thomas M, Dynes K, Patel M, Patel P, Wigley C, Suresh R, Shaw A, Klimach S, Jull P, Evans D, Preece R, Ibrahim I, Manikavasagar V, Smith R, Brown FS, Deekonda P, Teo R, Sim DPY, Borakati A, Logan AE, Barai I, Amin H, Suresh S, Sethi R, Bolton W, Corbridge O, Horne L, Attalla M, Morley R, Robinson C, Hoskins T, McAllister R, Lee S, Dennis Y, Nixon G, Heywood E, Wilson H, Ng L, Samaraweera S, Mills A, Doherty C, Woin E, Belchos J, Phan V, Chouari T, Gardner T, Goergen N, Hayes JDB, MacLeod CS, McCormack R, McKinley A, McKinstry S, Milligan W, Ooi L, Rafiq NM, Sammut T, Sinclair E, Smith M, Baker C, Boulton APR, Collins J, Copley HC, Fearnhead N, Fox H, Mah T, McKenna J, Naruka V, Nigam N, Nourallah B, Perera S, Qureshi A, Saggar S, Sun L, Wang X, Yang DD, Caroll P, Doyle C, Elangovan S, Falamarzi A, Perai KG, Greenan E, Jain D, Lang-Orsini M, Lim S, O'Byrne L, Ridgway P, Van der Laan S, Wong J, Arthur J, Barclay J, Bradley P, Edwin C, Finch E, Hayashi E, Hopkins M, Kelly D, Kelly M, McCartan N, Ormrod A, Pakenham A, Hayward J, Hitchen C, Kishore A, Martins T, Philomen J, Rao R, Rickards C, Burns N, Copeland M, Durand C, Dyal A, Ghaffar A, Gidwani A, Grant M, Gribbon C, Gruhn A, Leer M, Ahmad K, Beattie G, Beatty M, Campbell G, Donaldson G, Graham S, Holmes D, Kanabar S, Liu H, McCann C, Stewart R, Vara S, Ajibola-Taylor O, Andah EJE, Ani C, Cabdi NMO, Ito G, Jones M, Komoriyama A, Patel P, Titu L, Basra M, Gallogly P, Harinath G, Leong SH, Pradhan A, Siddiqui I, Zaat S, Ali A, Galea M, Looi WL, Ng JCK, Atkin G, Azizi A, Cargill Z, China Z, Elliot J, Jebakumar R, Lam J, Mudalige G, Onyerindu C, Renju M, Babu VS, Hussain M, Joji N, Lovett B, Mownah H, Ali B, Cresswell B, Dhillon AK, Dupaguntla YS, Hungwe C, Lowe-Zinola JD, Tsang JCH, Bevan K, Cardus C, Duggal A, Hossain S, McHugh M, Scott M, Chan F, Evans R, Gurung E, Haughey B, Jacob-Ramsdale B, Kerr M, Lee J, McCann E, O'Boyle K, Reid N, Hayat F, Hodgson S, Johnston R, Jones W, Khan M, Linn T, Long S, Seetharam P, Shaman S, Smart B, Anilkumar A, Davies J, Griffith J, Hughes B, Islam Y, Kidanu D, Mushaini N, Qamar I, Robinson H, Schramm M, Tan CY, Apperley H, Billyard C, Blazeby JM, Cannon SP, Carse S, Göpfert A, Loizidou A, Parkin J, Sanders E, Sharma S, Slade G, Telfer R, Huppatz IW, Worley E, Chandramoorthy L, Friend C, Harris L, Jain P, Karim MJ, Killington K, McGillicuddy J, Rafferty C, Rahunathan N, Rayne T, Varathan Y, Verma N, Zanichelli D, Arneill M, Brown F, Campbell B, Crozier L, Henry J, McCusker C, Prabakaran P, Wilson R, Asif U, Connor M, Dindyal S, Math N, Pagarkar A, Saleem H, Seth I, Sharma S, Standfield N, Swartbol T, Adamson R, Choi JE, El Tokhy O, Ho W, Javaid NR, Kelly M, Mehdi AS, Menon D, Plumptre I, Sturrock S, Turner J, Warren O, Crane E, Ferris B, Gadsby C, Smallwood J, Vipond M, Wilson V, Amarnath T, Doshi A, Gregory C, Kandiah K, Powell B, Spoor H, Toh C, Vizor R, Common M, Dunleavy K, Harris S, Luo C, Mesbah Z, Kumar AP, Redmond A, Skulsky S, Walsh T, Daly D, Deery L, Epanomeritakis E, Harty M, Kane D, Khan K, Mackey R, McConville J, McGinnity K, Nixon G, Ang A, Kee JY, Leung E, Norman S, Palaniappan SV, Sarathy PP, Yeoh T, Frost J, Hazeldine P, Jones L, Karbowiak M, Macdonald C, Mutarambirwa A, Omotade A, Runkel M, Ryan G, Sawers N, Searle C, Suresh S, Vig S, Ahmad A, McGartland R, Sim R, Song A, Wayman J, Brown R, Chang LH, Concannon K, Crilly C, Arnold TJ, Burgin A, Cadden F, Choy CH, Coleman M, Lim D, Luk J, Mahankali-Rao P, Prudence-Taylor AJ, Ramakrishnan D, Russell J, Fawole A, Gohil J, Green B, Hussain A, McMenamin L, McMenamin L, Tang M, Azmi F, Benchetrit S, Cope T, Haque A, Harlinska A, Holdsworth R, Ivo T, Martin J, Nisar T, Patel A, Sasapu K, Trevett J, Vernet G, Aamir A, Bird C, Durham-Hall A, Gibson W, Hartley J, May N, Maynard V, Johnson S, Wood CM, O'Brien M, Orbell J, Stringfellow TD, Tenters F, Tresidder S, Cheung W, Grant A, Tod N, Bews-Hair M, Lim ZH, Lim SW, Vella-Baldacchino M, Auckburally S, Chopada A, Easdon S, Goodson R, McCurdie F, Narouz M, Radford A, Rea E, Taylor O, Yu T, Alfa-Wali M, Amani L, Auluck I, Bruce P, Emberton J, Kumar R, Lagzouli N, Mehta A, Murtaza A, Raja M, Dennahy IS, Frew K, Given A, He YY, Karim MA, MacDonald E, McDonald E, McVinnie D, Ng SK, Pettit A, Sim DPY, Berthaume-Hawkins SD, Charnley R, Fenton K, Jones D, Murphy C, Ng JQ, Reehal R, Robinson H, Seraj SS, Shang E, Tonks A, White P, Yeo A, Chong P, Gabriel R, Patel N, Richardson E, Symons L, Aubrey-Jones D, Dawood S, Dobrzynska M, Faulkner S, Griffiths H, Mahmood F, Patel P, Perry M, Power A, Simpson R, Ali A, Brobbey P, Burrows A, Elder P, Ganyani R, Horseman C, Hurst P, Mann H, Marimuthu K, McBride S, Pilsworth E, Powers N, Stanier P, Innes R, Kersey T, Kopczynska M, Langasco N, Patel N, Rajagopal R, Atkins B, Beasley W, Lim ZC, Gill A, Ang HL, Williams H, Yogeswara T, Carter R, Fam M, Fong J, Latter J, Long M, Mackinnon S, McKenzie C, Osmanska J, Raghuvir V, Shafi A, Tsang K, Walker L, Bountra K, Coldicutt O, Fletcher D, Hudson S, Iqbal S, Bernal TL, Martin JWB, Moss-Lawton F, Smallwood J, Vipond M, Cardwell A, Edgerton K, Laws J, Rai A, Robinson K, Waite K, Ward J, Youssef H, Knight C, Koo PY, Lazarou A, Stanger S, Thorn C, Triniman MC, Botha A, Boyles L, Cumming S, Deepak S, Ezzat A, Fowler AJ, Gwozdz AM, Hussain SF, Khan S, Li H, Morrell BL, Neville J, Nitiahpapand R, Pickering O, Sagoo H, Sharma E, Welsh K, Denley S, Khan S, Agarwal M, Al-Saadi N, Bhambra R, Gupta A, Jawad ZAR, Jiao LR, Khan K, Mahir G, Singagireson S, Thoms BL, Tseu B, Wei R, Yang N, Britton N, Leinhardt D, Mahfooz M, Palkhi A, Price M, Sheikh S, Barker M, Bowley D, Cant M, Datta U, Farooqi M, Lee A, Morley G, Amin MN, Parry A, Patel S, Strang S, Yoganayagam N, Adlan A, Chandramoorthy S, Choudhary Y, Das K, Feldman M, France B, Grace R, Puddy H, Soor P, Ali M, Dhillon P, Faraj A, Gerard L, Glover M, Imran H, Kim S, Patrick Y, Peto J, Prabhudesai A, Smith R, Tang A, Vadgama N, Dhaliwal R, Ecclestone T, Harris A, Ong D, Patel D, Philp C, Stewart E, Wang L, Wong E, Xu Y, Ashaye T, Fozard T, Galloway F, Kaptanis S, Mistry P, Nguyen T, Olagbaiye F, Osman M, Philip Z, Rembacken R, Tayeh S, Theodoropoulou K, Herman A, Lau J, Saha A, Trotter M, Adeleye O, Cave D, Gunwa T, Magalhães J, Makwana S, Mason R, Parish M, Regan H, Renwick P, Roberts G, Salekin D, Sivakumar C, Tariq A, Liew I, McDade A, Stewart D, Hague M, Hudson-Peacock N, Jackson CES, James F, Pitt J, Walker EY, Aftab R, Ang JJ, Anwar S, Battle J, Budd E, Chui J, Crook H, Davies P, Easby S, Hackney E, Ho B, Imam SZ, Rammell J, Andrews H, Perry C, Schinle P, Ahmed P, Aquilina T, Balai E, Church M, Cumber E, Curtis A, Davies G, Dennis Y, Dumann E, Greenhalgh S, Kim P, King S, Metcalfe KHM, Passby L, Redgrave N, Soonawalla Z, Waters S, Zornoza A, Gulzar I, Hole J, Hull K, Ishaq H, Karaj J, Kelkar A, Love E, Patel S, Thakrar D, Vine M, Waterman A, Dib NP, Francis N, Hanson M, Ingleton R, Sadanand KS, Sukirthan N, Arnell S, Ball M, Bassam N, Beghal G, Chang A, Dawe V, George A, Huq T, Hussain A, Ikram B, Kanapeckaite L, Khan M, Ramjas D, Rushd A, Sait S, Serry M, Yardimci E, Capella S, Chenciner L, Episkopos C, Karam E, McCarthy C, Moore-Kelly W, Watson N, Ahluwalia V, Barnfield J, Ben-Gal O, Bloom I, Gharatya A, Khodatars K, Merchant N, Moonan A, Moore M, Patel K, Spiers H, Sundaram K, Turner J, Bath MF, Black J, Chadwick H, Huisman L, Ingram H, Khan S, Martin L, Metcalfe M, Sangal P, Seehra J, Thatcher A, Venturini S, Whitcroft I, Afzal Z, Brown S, Gani A, Gomaa A, Hussein N, Oh SY, Pazhaniappan N, Sharkey E, Sivagnanasithiyar T, Williams C, Yeung J, Cruddas L, Gurjar S, Pau A, Prakash R, Randhawa R, Chen L, Eiben I, Naylor M, Osei-Bordom D, Trenear R, Bannard-Smith J, Griffiths N, Patel BY, Saeed F, Abdikadir H, Bennett M, Church R, Clements SE, Court J, Delvi A, Hubert J, Macdonald B, Mansour F, Patel RR, Perris R, Small S, Betts A, Brown N, Chong A, Croitoru C, Grey A, Hickland P, Ho C, Hollington D, McKie L, Nelson AR, Stewart H, Eiben P, Nedham M, Ali I, Brown T, Cumming S, Hunt C, Joyner C, McAlinden C, Roberts J, Rogers D, Thachettu A, Tyson N, Vaughan R, Verma N, Yasin T, Andrew K, Bhamra N, Leong S, Mistry R, Noble H, Rashed F, Walker NR, Watson L, Worsfold M, Yarham E, Abdikadir H, Arshad A, Barmayehvar B, Cato L, Chan-lam N, Do V, Leong A, Sheikh Z, Zheleniakova T, Coppel J, Hussain ST, Mahmood R, Nourzaie R, Prowle J, Sheik-Ali S, Thomas A, Alagappan A, Ashour R, Bains H, Diamond J, Gordon J, Ibrahim B, Khalil M, Mittapalli D, Neo YN, Patil P, Peck FS, Reza N, Swan I, Whyte M, Chaudhry S, Hernon J, Khawar H, O'Brien J, Pullinger M, Rothnie K, Ujjal S, Bhatte S, Curtis J, Green S, Mayer A, Watkinson G, Chapple K, Hawthorne T, Khaliq M, Majkowski L, Malik TAM, Mclauchlan K, En BNW, Parton S, Robinson SD, Saat MI, Shurovi BN, Varatharasasingam K, Ward AE, Behranwala K, Bertelli M, Cohen J, Duff F, Fafemi O, Gupta R, Manimaran M, Mayhew J, Peprah D, Wong MHY, Farmer N, Houghton C, Kandhari N, Khan K, Ladha D, Mayes J, McLennan F, Panahi P, Seehra H, Agrawal R, Ahmed I, Ali S, Birkinshaw F, Choudhry M, Gokani S, Harrogate S, Jamal S, Nawrozzadeh F, Swaray A, Szczap A, Warusavitarne J, Abdalla M, Asemota N, Cullum R, Hartley M, Maxwell-Armstrong C, Mulvenna C, Phillips J, Yule A, Ahmed L, Clement KD, Craig N, Elseedawy E, Gorman D, Kane L, Livie J, Livie V, Moss E, Naasan A, Ravi F, Shields P, Zhu Y, Archer M, Cobley H, Dennis R, Downes C, Guevel B, Lamptey E, Murray H, Radhakrishnan A, Saravanabavan S, Sardar M, Shaw C, Tilliridou V, Wright R, Ye W, Alturki N, Helliwell R, Jones E, Kelly D, Lambotharan S, Scott K, Sivakumar R, Victor L, Boraluwe-Rallage H, Froggatt P, Haynes S, Hung YMA, Keyte A, Matthews L, Evans E, Haray P, John I, Mathivanan A, Morgan L, Oji O, Okorocha C, Rutherford A, Spiers H, Stageman N, Tsui A, Whitham R, Amoah-Arko A, Cecil E, Dietrich A, Fitzpatrick H, Guy C, Hair J, Hilton J, Jawad L, McAleer E, Taylor Z, Yap J, Akhbari M, Debnath D, Dhir T, Elbuzidi M, Elsaddig M, Glace S, Khawaja H, Koshy R, Lal K, Lobo L, McDermott A, Meredith J, Qamar MA, Vaidya A, Acquaah F, Barfi L, Carter N, Gnanappiragasam D, Ji C, Kaminski F, Lawday S, Mackay K, Sulaiman SK, Webb R, Ananthavarathan P, Dalal F, Farrar E, Hashemi R, Hossain M, Jiang J, Kiandee M, Lex J, Mason L, Matthews JH, McGeorge E, Modhwadia S, Pinkney T, Radotra A, Rickard L, Rodman L, Sales A, Tan KL, Bachi A, Bajwa DS, Battle J, Brown LR, Butler A, Calciu A, Davies E, Gardner I, Girdlestone T, Ikogho O, Keelan G, O'Loughlin P, Tam J, Elias J, Ngaage M, Thompson J, Bristow S, Brock E, Davis H, Pantelidou M, Sathiyakeerthy A, Singh K, Chaudhry A, Dickson G, Glen P, Gregoriou K, Hamid H, Mclean A, Mehtaji P, Neophytou G, Potts S, Belgaid DR, Burke J, Durno J, Ghailan N, Hanson M, Henshaw V, Nazir UR, Omar I, Riley BJ, Roberts J, Smart G, Van Winsen K, Bhatti A, Chan M, D'Auria M, Green S, Keshvala C, Li H, Maxwell-Armstrong C, Michaelidou M, Simmonds L, Smith C, Wimalathasan A, Abbas J, Cairns C, Chin YR, Connelly A, Moug S, Nair A, Svolkinas D, Coe P, Subar D, Wang H, Zaver V, Brayley J, Cookson P, Cunningham L, Gaukroger A, Ho M, Hough A, King J, O'Hagan D, Widdison A, Brown R, Brown B, Chavan A, Francis S, Hare L, Lund J, Malone N, Mavi B, McIlwaine A, Rangarajan S, Abuhussein N, Campbell HS, Daniels J, Fitzgerald I, Mansfield S, Pendrill A, Robertson D, Smart YW, Teng T, Yates J, Belgaumkar A, Katira A, Kossoff J, Kukran S, Laing C, Mathew B, Mohamed T, Myers S, Novell R, Phillips BL, Thomas M, Turlejski T, Turner S, Varcada M, Warren L, Wynell-Mayow W, Church R, Linley-Adams L, Osborn G, Saunders M, Spencer R, Srikanthan M, Tailor S, Tullett A, Ali M, Al-Masri S, Carr G, Ebhogiaye O, Heng S, Manivannan S, Manley J, McMillan LE, Peat C, Phillips B, Thomas S, Whewell H, Williams G, Bienias A, Cope EA, Courquin GR, Day L, Garner C, Gimson A, Harris C, Markham K, Moore T, Nadin T, Phillips C, Subratty SM, Brown K, Dada J, Durbacz M, Filipescu T, Harrison E, Kennedy ED, Khoo E, Kremel D, Lyell I, Pronin S, Tummon R, Ventre C, Walls L, Wootton E, Akhtar A, Davies E, El-Sawy D, Farooq M, Gaddah M, Griffiths H, Katsaiti I, Khadem N, Leong K, Williams I, Chean CS, Chudek D, Desai H, Ellerby N, Hammad A, Malla S, Murphy B, Oshin O, Popova P, Rana S, Ward T, Abbott TEF, Akpenyi O, Edozie F, El Matary R, English W, Jeyabaladevan S, Morgan C, Naidu V, Nicholls K, Peroos S, Prowle J, Sansome S, Torrance HD, Townsend D, Brecher J, Fung H, Kazmi Z, Outlaw P, Pursnani K, Ramanujam N, Razaq A, Sattar M, Sukumar S, Tan TSE, Chohan K, Dhuna S, Haq T, Kirby S, Lacy-Colson J, Logan P, Malik Q, McCann J, Mughal Z, Sadiq S, Sharif I, Shingles C, Simon A, Burnage S, Chan SSN, Craig ARJ, Duffield J, Dutta A, Eastwood M, Iqbal F, Mahmood F, Mahmood W, Patel C, Qadeer A, Robinson A, Rotundo A, Schade A, Slade RD, De Freitas M, Kinnersley H, McDowell E, Moens-Lecumberri S, Ramsden J, Rockall T, Wiffen L, Wright S, Bruce C, Francois V, Hamdan K, Limb C, Lunt AJ, Manley L, Marks M, Phillips CFE, Agnew CJF, Barr CJ, Benons N, Hart SJ, Kandage D, Krysztopik R, Mahalingam P, Mock J, Rajendran S, Stoddart MT, Clements B, Gillespie H, Lee S, McDougall R, Murray C, O'Loane R, Periketi S, Tan S, Amoah R, Bhudia R, Dudley B, Gilbert A, Griffiths B, Khan H, McKigney N, Roberts B, Samuel R, Seelarbokus A, Stubbing-Moore A, Thompson G, Williams P, Ahmed N, Akhtar R, Chandler E, Chappelow I, Gil H, Gower T, Kale A, Lingam G, Rutler L, Sellahewa C, Sheikh A, Stringer H, Taylor R, Aglan H, Ashraf MR, Choo S, Das E, Epstein J, Gentry R, Mills D, Poolovadoo Y, Ward N, Bull K, Cole A, Hack J, Khawari S, Lake C, Mandishona T, Perry R, Sleight S, Sultan S, Thornton T, Williams S, Arif T, Castle A, Chauhan P, Chesner R, Eilon T, Kamarajah S, Kambasha C, Lock L, Loka T, Mohammad F, Motahariasl S, Roper L, Sadhra SS, Sheikh A, Toma T, Wadood Q, Yip J, Ainger E, Busti S, Cunliffe L, Flamini T, Gaffing S, Moorcroft C, Peter M, Simpson L, Stokes E, Stott G, Wilson J, York J, Yousaf A, Borakati A, Brown M, Goaman A, Hodgson B, Ijeomah A, Iroegbu U, Kaur G, Lowe C, Mahmood S, Sattar Z, Sen P, Szuman A, Abbas N, Al-Ausi M, Anto N, Bhome R, Eccles L, Elliott J, Hughes EJ, Jones A, Karunatilleke AS, Knight JS, Manson CCF, Mekhail I, Michaels L, Noton TM, Okenyi E, Reeves T, Yasin IH, Banfield DA, Harris R, Lim D, Mason-Apps C, Roe T, Sandhu J, Shafiq N, Stickler E, Tam JP, Williams LM, Ainsworth P, Boualbanat Y, Doull C, Egan E, Evans L, Hassanin K, Ninkovic-Hall G, Odunlami W, Shergill M, Traish M, Cummings D, Kershaw S, Ong J, Reid F, Toellner H, Alwandi A, Amer M, George D, Haynes K, Hughes K, Peakall L, Premakumar Y, Punjabi N, Ramwell A, Sawkins H, Ashwood J, Baker A, Baron C, Bhide I, Blake E, De Cates C, Esmail R, Hosamuddin H, Kapp J, Nguru N, Raja M, Thomson F, Ahmed H, Aishwarya G, Al-Huneidi R, Ali S, Aziz R, Burke D, Clarke B, Kausar A, Maskill D, Mecia L, Myers L, Smith ACD, Walker G, Wroe N, Donohoe C, Gibbons D, Jordan P, Keogh C, Kiely A, Lalor P, McCrohan M, Powell C, Foley MP, Reynolds J, Silke E, Thorpe O, Kong JTH, White C, Ali Q, Dalrymple J, Ge Y, Khan H, Luo RS, Paine H, Paraskeva B, Parker L, Pillai K, Salciccioli J, Selvadurai S, Sonagara V, Springford LR, Tan L, Appleton S, Leadholm N, Zhang Y, Ahern D, Cotter M, Cremen S, Durrigan T, Flack V, Hrvacic N, Jones H, Jong B, Keane K, O'Connell PR, O'sullivan J, Pek G, Shirazi S, Barker C, Brown A, Carr W, Chen Y, Guillotte C, Harte J, Kokayi A, Lau K, McFarlane S, Morrison S, Broad J, Kenefick N, Makanji D, Printz V, Saito R, Thomas O, Breen H, Kirk S, Kong CH, O'Kane A, Eddama M, Engledow A, Freeman SK, Frost A, Goh C, Lee G, Poonawala R, Suri A, Taribagil P, Brown H, Christie S, Dean S, Gravell R, Haywood E, Holt F, Pilsworth E, Rabiu R, Roscoe HW, Shergill S, Sriram A, Sureshkumar A, Tan LC, Tanna A, Vakharia A, Bhullar S, Brannick S, Dunne E, Frere M, Kerin M, Kumar KM, Pratumsuwan T, Quek R, Salman M, Van Den Berg N, Wong C, Ahluwalia J, Bagga R, Borg CM, Calabria C, Draper A, Farwana M, Joyce H, Khan A, Mazza M, Pankin G, Sait MS, Sandhu N, Virani N, Wong J, Woodhams K, Croghan N, Ghag S, Hogg G, Ismail O, John N, Nadeem K, Naqi M, Noe SM, Sharma A, Tan S, Begum F, Best R, Collishaw A, Glasbey J, Golding D, Gwilym B, Harrison P, Jackman T, Lewis N, Luk YL, Porter T, Potluri S, Stechman M, Tate S, Thomas D, Walford B, Auld F, Bleakley A, Johnston S, Jones C, Khaw J, Milne S, O'Neill S, Singh KKR, Smith R, Swan A, Thorley N, Yalamarthi S, Yin ZD, Ali A, Balian V, Bana R, Clark K, Livesey C, McLachlan G, Mohammad M, Pranesh N, Richards C, Ross F, Sajid M, Brooke M, Francombe J, Gresly J, Hutchinson S, Kerrigan K, Matthews E, Nur S, Parsons L, Sandhu A, Vyas M, White F, Zulkifli A, Zuzarte L, Al-Mousawi A, Arya J, Azam S, Yahaya AA, Gill K, Hallan R, Hathaway C, Leptidis I, McDonagh L, Mitrasinovic S, Mushtaq N, Pang N, Peiris GB, Rinkoff S, Chan L, Christopher E, Farhan-Alanie MMH, Gonzalez-Ciscar A, Graham CJ, Lim H, McLean KA, Paterson HM, Rogers A, Roy C, Rutherford D, Smith F, Zubikarai G, Al-Khudairi R, Bamford M, Chang M, Cheng J, Hedley C, Joseph R, Mitchell B, Perera S, Rothwell L, Siddiqui A, Smith J, Taylor K, Wright OW, Baryan HK, Boyd G, Conchie H, Cox L, Davies J, Gardner S, Hill N, Krishna K, Lakin F, Scotcher S, Alberts J, Asad M, Barraclough J, Campbell A, Marshall D, Wakeford W, Cronbach P, D'Souza F, Gammeri E, Houlton J, Hall M, Kethees A, Patel R, Perera M, Prowle J, Shaid M, Webb E, Beattie S, Chadwick M, El-Taji O, Haddad S, Mann M, Patel M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Sandhu J, Jain N, Selhi P, Sandhu J, Sood N. SAT-162 MORPHOLOGICAL SPECTRUM OF RENAL BIOPSIES IN PATIENTS OF DIABETES MELLITUS. Kidney Int Rep 2020. [DOI: 10.1016/j.ekir.2020.02.172] [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] Open
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Ruetten H, Wegner KA, Kennedy CL, Turco A, Zhang HL, Wang P, Sandhu J, Sandhu S, Morkrid J, Wang Z, Macoska J, Peterson RE, Bjorling DE, Ricke WA, Marker PC, Vezina CM. Impact of sex, androgens, and prostate size on C57BL/6J mouse urinary physiology: urethral histology. Am J Physiol Renal Physiol 2020; 318:F617-F627. [PMID: 31904290 DOI: 10.1152/ajprenal.00540.2019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The National Institutes of Health leveled new focus on sex as a biological variable with the goal of understanding sex-specific differences in health and physiology. We previously published a functional assessment of the impact of sex, androgens, and prostate size on C57BL/6J mouse urinary physiology (Ruetten H, Wegner KA, Zhang HL, Wang P, Sandhu J, Sandhu S, Mueller B, Wang Z, Macoska J, Peterson RE, Bjorling DE, Ricke WA, Marker PC, Vezina CM. Am J Physiol Renal Physiol 317: F996-F1009, 2019). Here, we measured and compared five characteristics of urethral histology (urethral lumen diameter and area, epithelial cell count, epithelial and rhabdosphincter thickness, epithelial cell area, and total urethral area) in male and female 9-wk-old C57BL/6J mice using hematoxylin and eosin staining. We also compared male mice with castrated male mice, male and female mice treated with the steroid 5α-reductase inhibitor finasteride or testosterone, or male mice harboring alleles (Pbsn4cre/+; R26RDta/+) that reduce prostate lobe mass. The three methods used to reduce prostate mass (castration, finasteride, and Pbsn4cre/+; R26RDta/+) changed urethral histology, but none feminized male urethral histology (increased urethral epithelial area). Exogenous testosterone caused increased epithelial cell count in intact females but did not masculinize female urethral histology (decrease epithelial area). Our results lay a critical foundation for future studies as we begin to parse out the influence of hormones and cellular morphology on male and female urinary function.
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Affiliation(s)
- Hannah Ruetten
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Kyle A Wegner
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Conner L Kennedy
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Anne Turco
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Helen L Zhang
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Peiqing Wang
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Jaskiran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Simran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Jacquelyn Morkrid
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Zunyi Wang
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Jill Macoska
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Center for Personalized Cancer Therapy, University of Massachusetts Boston, Boston, Massachusetts
| | - Richard E Peterson
- Division of Pharmaceutical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Dale E Bjorling
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - William A Ricke
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin.,Department of Urology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Paul C Marker
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Division of Pharmaceutical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Chad M Vezina
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
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Ruetten H, Wegner KA, Zhang HL, Wang P, Sandhu J, Sandhu S, Morkrid J, Mueller B, Wang Z, Macoska J, Peterson RE, Bjorling DE, Ricke WA, Marker PC, Vezina CM. Insight and Resources From a Study of the "Impact of Sex, Androgens, and Prostate Size on C57BL/6J Mouse Urinary Physiology. Toxicol Pathol 2019; 47:1038-1042. [PMID: 31662055 DOI: 10.1177/0192623319877867] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The purpose of this symposium report is to summarize information from a session 3 oral presentation at the Society of Toxicologic Pathology Annual Symposium in Raleigh, North Carolina. Mice are genetically tractable and are likely to play an important role in elucidating environmental, genetic, and aging-related mechanisms of urinary dysfunction in men. We and others have made significant strides in developing quantitative methods for assessing mouse urinary function and our collaborators recently showed that aging male mice, like men, develop urinary dysfunction. Yet, it remains unclear how mouse prostate anatomy and histology relate to urinary function. The purpose of this report is to share foundational resources for evaluating mouse prostate histology and urinary physiology from our recent publication "Impact of Sex, Androgens, and Prostate Size on C57BL/6J Mouse Urinary Physiology: Functional Assessment." We will begin with a review of prostatic embryology in men and mice, then move to comparative histology resources, and conclude with quantitative measures of rodent urinary physiology.
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Affiliation(s)
- Hannah Ruetten
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA
| | - Kyle A Wegner
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, WI, USA
| | - Helen L Zhang
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA
| | - Peiqing Wang
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Department of Surgical Sciences, University of Wisconsin-Madison, WI, USA
| | - Jaskiran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA
| | - Simran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA
| | - Jacquelyn Morkrid
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Brett Mueller
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA
| | - Zunyi Wang
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Department of Surgical Sciences, University of Wisconsin-Madison, WI, USA
| | - Jill Macoska
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Center for Personalized Cancer Therapy, University of Massachusetts Boston, MA, USA
| | - Richard E Peterson
- Division of Pharmaceutical Sciences, University of Wisconsin-Madison, WI, USA
| | - Dale E Bjorling
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Department of Surgical Sciences, University of Wisconsin-Madison, WI, USA
| | - William A Ricke
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, WI, USA.,Department of Urology, University of Wisconsin-Madison, WI, USA
| | - Paul C Marker
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Division of Pharmaceutical Sciences, University of Wisconsin-Madison, WI, USA
| | - Chad M Vezina
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, WI, and Boston, MA, USA.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, WI, USA
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Ruetten H, Wegner KA, Zhang HL, Wang P, Sandhu J, Sandhu S, Mueller B, Wang Z, Macoska J, Peterson RE, Bjorling DE, Ricke WA, Marker PC, Vezina CM. Impact of sex, androgens, and prostate size on C57BL/6J mouse urinary physiology: functional assessment. Am J Physiol Renal Physiol 2019; 317:F996-F1009. [PMID: 31390231 DOI: 10.1152/ajprenal.00270.2019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Laboratory mice are used to identify causes of urinary dysfunction including prostate-related mechanisms of lower urinary tract symptoms. Effective use of mice for this purpose requires a clear understanding of molecular, cellular, anatomic, and endocrine contributions to voiding function. Whether the prostate influences baseline voiding function has not been specifically evaluated, in part because most methods that alter prostate mass also change circulating testosterone concentrations. We performed void spot assay and cystometry to establish a multiparameter "baseline" of voiding function in intact male and female 9-wk-old (adult) C57BL/6J mice. We then compared voiding function in intact male mice to that of castrated male mice, male (and female) mice treated with the steroid 5α-reductase inhibitor finasteride, or male mice harboring alleles (Pbsn4cre/+; R26RDta/+) that significantly reduce prostate lobe mass by depleting prostatic luminal epithelial cells. We evaluated aging-related changes in male urinary voiding. We also treated intact male, castrate male, and female mice with exogenous testosterone to determine the influence of androgen on voiding function. The three methods used to reduce prostate mass (castration, finasteride, and Pbsn4cre/+; R26RDta/+) changed voiding function from baseline but in a nonuniform manner. Castration feminized some aspects of male urinary physiology (making them more like intact female mice) while exogenous testosterone masculinized some aspects of female urinary physiology (making them more like intact male mice). Our results provide evidence that circulating testosterone is responsible in part for baseline sex differences in C57BL/6J mouse voiding function while prostate lobe mass in young, healthy adult mice has a lesser influence.
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Affiliation(s)
- Hannah Ruetten
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Kyle A Wegner
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Helen L Zhang
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Peiqing Wang
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Center for Personalized Cancer Therapy, The University of Massachusetts Boston, Boston, Massachusetts
| | - Jaskiran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Simran Sandhu
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Brett Mueller
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts
| | - Zunyi Wang
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Center for Personalized Cancer Therapy, The University of Massachusetts Boston, Boston, Massachusetts
| | - Jill Macoska
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Center for Personalized Cancer Therapy, The University of Massachusetts Boston, Boston, Massachusetts
| | - Richard E Peterson
- Division of Pharmaceutical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - Dale E Bjorling
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Department of Surgical Sciences, University of Wisconsin-Madison, Madison, Wisconsin
| | - William A Ricke
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin.,Department of Urology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Paul C Marker
- University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Center for Personalized Cancer Therapy, The University of Massachusetts Boston, Boston, Massachusetts
| | - Chad M Vezina
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, Wisconsin.,University of Wisconsin-Madison/UMASS Boston George M. O'Brien Center for Benign Urologic Research, Madison, Wisconsin, and Boston, Massachusetts.,Molecular and Environmental Toxicology Center, University of Wisconsin-Madison, Madison, Wisconsin
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Schrock AB, Ouyang C, Sandhu J, Sokol E, Jin D, Ross JS, Miller VA, Lim D, Amanam I, Chao J, Catenacci D, Cho M, Braiteh F, Klempner SJ, Ali SM, Fakih M. Tumor mutational burden is predictive of response to immune checkpoint inhibitors in MSI-high metastatic colorectal cancer. Ann Oncol 2019; 30:1096-1103. [PMID: 31038663 DOI: 10.1093/annonc/mdz134] [Citation(s) in RCA: 382] [Impact Index Per Article: 76.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Microsatellite instability (MSI) is a biomarker for response to immune checkpoint inhibitors (ICPIs). PD-1 inhibitors in metastatic colorectal carcinoma (mCRC) with MSI-high (MSI-H) have demonstrated a high disease control rate and favorable progression-free survival (PFS); however, reported response rates to pembrolizumab and nivolumab are variable and often <50%, suggesting that additional predictive biomarkers are needed. METHODS Clinicopathologic data were collected from patients with MSI-H mCRC confirmed by hybrid capture-based next-generation sequencing (NGS) treated with PD-1/L1 inhibitors at five institutes. Tumor mutational burden (TMB) was determined on 0.8-1.1 Mb of sequenced DNA and reported as mutations/Mb. Potential biomarkers of response and time to progression were analyzed by univariate and multivariate analyses. Once TMB was confirmed as a predictive biomarker, a larger dataset of 18 140 unique CRC patients was analyzed to define the relevance of the identified TMB cut-point. RESULTS A total of 22 patients were treated with PD-1/L1 inhibitors including 19 with pembrolizumab monotherapy. Among tested variables, TMB showed the strongest association with objective response (OR; P < 0.001) and PFS, by univariate (P < 0.001) and multivariate analysis (P < 0.01). Using log-rank statistics, the optimal predictive cut-point for TMB was estimated between 37 and 41 mutations/Mb. All 13 TMBhigh cases responded, while 6/9 TMBlow cases had progressive disease. The median PFS for TMBhigh has not been reached (median follow-up >18 months) while the median PFS for TMBlow was 2 months. A TMB of 37.4 mutations/Mb in a large MSI-H mCRC population (821/18, 140 cases; 4.5%) evaluated by NGS corresponded to the 35th percentile cut-point. CONCLUSIONS TMB appears to be an important independent biomarker within MSI-H mCRC to stratify patients for likelihood of response to ICPIs. If validated in prospective studies, TMB may play an important role in guiding the sequencing and/or combinations of ICPIs in MSI-H mCRC.
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Affiliation(s)
| | - C Ouyang
- Center for Informatics, City of Hope National Medical Center, Duarte; Department of Computational and Quantitative Medicine, Beckman Research Institute of the City of Hope, Duarte
| | - J Sandhu
- Department of Medical Oncology and Therapeutics Research, City of Hope Comprehensive Cancer Center, Duarte
| | - E Sokol
- Foundation Medicine, Inc., Cambridge
| | - D Jin
- Foundation Medicine, Inc., Cambridge
| | - J S Ross
- Foundation Medicine, Inc., Cambridge; Department of Pathology, SUNY Upstate Medical University, Syracuse
| | | | - D Lim
- Department of Medical Oncology and Therapeutics Research, City of Hope Comprehensive Cancer Center, Duarte
| | - I Amanam
- Department of Medical Oncology and Therapeutics Research, City of Hope Comprehensive Cancer Center, Duarte
| | - J Chao
- Department of Medical Oncology and Therapeutics Research, City of Hope Comprehensive Cancer Center, Duarte
| | - D Catenacci
- Section of Hematology/Oncology, Department of Medicine, University of Chicago Medical Center and Biological Sciences, Chicago
| | - M Cho
- Division of Hematology and Oncology, Department of Internal Medicine, UC Davis Comprehensive Cancer Center, Sacramento
| | - F Braiteh
- Department of Hematology/Oncology, Comprehensive Cancer Centers of Nevada, Las Vegas
| | - S J Klempner
- The Angeles Clinic and Research Institute, Los Angeles, USA
| | - S M Ali
- Foundation Medicine, Inc., Cambridge
| | - M Fakih
- Department of Medical Oncology and Therapeutics Research, City of Hope Comprehensive Cancer Center, Duarte.
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SANDHU J, Kumar M, Sohal P, Sood N, Sandhu J. MON-004 PROFILE AND OUTCOMES OF PRIMARY NEPHROTIC SYNDROME. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.759] [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: 10/26/2022] Open
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15
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Sandhu J. MON-044 PREDICTION OF OUTCOMES OF RAPIDLY PROGRESSIVE GLOMERULONEPHRITIS. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.831] [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: 11/25/2022] Open
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16
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Swersky A, Fox B, Sandhu J, Amin A, Vasani J, Chang D, Studenski M, Mohan P. 03:54 PM Abstract No. 185 The difference between the predicted vs actual microwave ablation (MWA) zone is dependent on liver function tests. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.239] [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: 10/27/2022] Open
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17
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Kably I, Sandhu J, Luka J, Amin A, Bhatia S. 04:21 PM Abstract No. 305 Percutaneous image-guided ablation and cementoplasty in the treatment of osseous metastases from breast cancer. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.371] [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: 10/27/2022] Open
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18
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Bhatia S, Shah K, Kumar J, Sandhu J, Tummala S, Quezada L, Kably I. 03:18 PM Abstract No. 124 Utility of Emboguide with cone-beam CT in identification and navigation of prostatic arteries in prostate artery embolization compared with conventional 2D fluoroscopy with overlay technique: a prospective study. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.172] [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: 11/16/2022] Open
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Fox B, Swersky A, Sandhu J, Amin A, Chang D, Kwon D, Mohan P. 03:27 PM Abstract No. 182 Microwave ablation (MWA) in cirrhotic patients: prediction of underablation or overablation based on the energy and volume of ablation. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.236] [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: 11/25/2022] Open
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20
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Kably I, Sandhu J, Amin A, Luka J. 03:27 PM Abstract No. 202 Safety and efficacy of radiofrequency ablation with cementoplasty in the palliative treatment of sacral metastases using a thermal protection technique. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.258] [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: 10/27/2022] Open
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21
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Sandhu J, Amin A, Kably I, Shah K, Richardson A, Garcia J, Bhatia S. Abstract No. 458 Safety and feasibility of prostate artery embolization via transradial access: single-center experience. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.539] [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: 11/28/2022] Open
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22
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Sohal PM, Goel A, Gupta D, Aslam N, Sandhu J, Sandhu JS, John EE, Sharma D. Effect of Hemodialysis on Corrected QT Interval and QTc Dispersion. Indian J Nephrol 2018; 28:335-338. [PMID: 30270992 PMCID: PMC6146738 DOI: 10.4103/ijn.ijn_15_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Hemodialysis patients are at higher risk of cardiovascular disease due to traditional and dialysis-related risk factors. Our aim was to study the effects of hemodialysis on the corrected QT interval (QTc) and QTc dispersion in chronic kidney disease (CKD) without clinically manifest heart disease. Two hundred cases of CKD on chronic intermittent hemodialysis of >3 months' duration were included in the study. Twelve-lead electrocardiography and samples for serum creatinine, potassium, calcium, and magnesium were taken before and after dialysis. The mean age of patients was 52.4 ± 17 years with male-to-female ratio of 3:1. QTc interval and QTc dispersion were prolonged in 47% and 59% before and 50% and 89% of patients after hemodialysis, respectively. The mean values of QTc were 433.4 ± 36.9 ms before and 451.4 ± 39.6 ms after hemodialysis (p = 0.001) and the mean values of QTc dispersion were 60.5 ± 19.3 ms before and 81.5 ± 24.4 ms after hemodialysis (p = 0.001). Similar pattern was observed in all etiological groups of CKD, except for QTc dispersion in malignancy-related CKD (p = 0.216). After hemodialysis, there was a significant fall in the mean values of serum potassium (p = 0.001), rise in serum calcium (p = 0.001), and no change in magnesium (p = 0.424). Patients with post hemodialysis QTc dispersion >74 ms had significantly low mean values of serum potassium and calcium as compared to <74 ms group. Large numbers of hemodialysis patients have a prolonged QTc interval and QTc dispersion with a significant increase in the mean values after hemodialysis. There is a significant fall in serum potassium and rise in serum calcium after dialysis.
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Affiliation(s)
- P. M. Sohal
- Department of Nephrology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - A. Goel
- Department of Medicine, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - D. Gupta
- Department of Medicine, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - N. Aslam
- Department of Cardiology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - J. Sandhu
- Department of Pathology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - J. S. Sandhu
- Department of Nephrology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - E. E. John
- Department of Nephrology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - D. Sharma
- Department of Nephrology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
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23
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Salame N, Torres J, Sandhu J, Callis Duffin K, Garg A, Gottlieb A, Merola J, Armstrong A. 549 Evaluation of psychometric properties of patient-reported outcome measures in pediatric psoriasis. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.557] [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: 11/26/2022]
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24
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Sandhu J, Madhusoodanan V, Amin A, Kably I. 3:27 PM Abstract No. 253 Palliative radiofrequency ablation of spinal metastases: safety, technical success, and short-term efficacy. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.283] [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: 11/24/2022] Open
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Abstract
BACKGROUND Syphilis is the third most commonly reported notifiable sexually transmitted infection (STI) in Canada, following chlamydia and gonorrhea, respectively. Rates of this STI have been rising rapidly in Canada since 2001. OBJECTIVE To summarize trends observed in syphilis rates for 2010 to 2015 in Canada. METHODS Laboratory-confirmed cases of infectious syphilis and early congenital syphilis were reported to the Public Health Agency of Canada by all of the Canadian provinces and territories. National infectious syphilis rates were computed, as were rates per sex, age group and province/territory. Rates of congenital syphilis were also calculated. RESULTS From 2010 to 2015, the rate of infectious syphilis in Canada increased by 85.6%, from 5.0 to 9.3 cases per 100,000 population. In 2015, a total of 3,321 cases of infectious syphilis were reported, mainly in males (93.7%), among whom the rate was 17.5 cases per 100,000 males versus 1.2 per 100,000 females. The rate also rose faster among males in 2010-2015, a 90.2% increase versus 27.8% among females. Individuals aged 20-39 years had the highest rates. Across the provinces and territories, the highest rates of infectious syphilis were in Nunavut, British Columbia and Manitoba.: The rate of congenital syphilis decreased from 2010 to 2014 (1.6 to 0.3 cases per 100,000 live births) before increasing to 1.5 cases per 100,000 live births in 2015, which corresponds to six reported cases. CONCLUSION Rates of syphilis continue to rise in Canada, especially among young men, and this is consistent with trends in the United States of America and European Union. Based on data from Canada and from these regions, the sexual behaviour of men who have sex with men (MSM) is thought to be a major risk factor for syphilis.
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Affiliation(s)
- Y Choudhri
- Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, ON
| | - J Miller
- Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, ON
| | - J Sandhu
- Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, ON
| | - A Leon
- Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, ON
| | - J Aho
- Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, ON
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Yi X, Vahala K, Li J, Diddams S, Ycas G, Plavchan P, Leifer S, Sandhu J, Vasisht G, Chen P, Gao P, Gagne J, Furlan E, Bottom M, Martin EC, Fitzgerald MP, Doppmann G, Beichman C. Demonstration of a near-IR line-referenced electro-optical laser frequency comb for precision radial velocity measurements in astronomy. Nat Commun 2016; 7:10436. [PMID: 26813804 PMCID: PMC4737846 DOI: 10.1038/ncomms10436] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 12/10/2015] [Indexed: 11/23/2022] Open
Abstract
An important technique for discovering and characterizing planets beyond our solar system relies upon measurement of weak Doppler shifts in the spectra of host stars induced by the influence of orbiting planets. A recent advance has been the introduction of optical frequency combs as frequency references. Frequency combs produce a series of equally spaced reference frequencies and they offer extreme accuracy and spectral grasp that can potentially revolutionize exoplanet detection. Here we demonstrate a laser frequency comb using an alternate comb generation method based on electro-optical modulation, with the comb centre wavelength stabilized to a molecular or atomic reference. In contrast to mode-locked combs, the line spacing is readily resolvable using typical astronomical grating spectrographs. Built using commercial off-the-shelf components, the instrument is relatively simple and reliable. Proof of concept experiments operated at near-infrared wavelengths were carried out at the NASA Infrared Telescope Facility and the Keck-II telescope. Laser frequency combs emit a spectrum of equally spaced peaks that can provide precise frequency references useful for astronomy. Here, the authors demonstrate a frequency comb using electro-optical modulation, which has a line spacing that is resolvable using grating spectrographs unlike the mode-locking approach.
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Affiliation(s)
- X Yi
- Department of Applied Physics and Materials Science, Pasadena, California 91125, USA
| | - K Vahala
- Department of Applied Physics and Materials Science, Pasadena, California 91125, USA
| | - J Li
- Department of Applied Physics and Materials Science, Pasadena, California 91125, USA
| | - S Diddams
- National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA.,Department of Physics, University of Colorado, 2000 Colorado Avenue, Boulder, Colorado 80309, USA
| | - G Ycas
- National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA.,Department of Physics, University of Colorado, 2000 Colorado Avenue, Boulder, Colorado 80309, USA
| | - P Plavchan
- Department of Physics, Missouri State University, 901 S National Avenue, Springfield, Missouri 65897, USA
| | - S Leifer
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
| | - J Sandhu
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
| | - G Vasisht
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
| | - P Chen
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
| | - P Gao
- Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125, USA
| | - J Gagne
- Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, Washington, District of Columbia 20015, USA
| | - E Furlan
- NASA Exoplanet Science Institute, California Institute of Technology, Pasadena, California 91125, USA
| | - M Bottom
- Department of Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - E C Martin
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA
| | - M P Fitzgerald
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095, USA
| | - G Doppmann
- W.M. Keck Observatory, Kamuela, Hawaii 96743, USA
| | - C Beichman
- NASA Exoplanet Science Institute, California Institute of Technology, Pasadena, California 91125, USA
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Wilmer A, Romney MG, Gustafson R, Sandhu J, Chu T, Ng C, Hoang L, Champagne S, Hull MW. Shigella flexneriserotype 1 infections in men who have sex with men in Vancouver, Canada. HIV Med 2015; 16:168-75. [DOI: 10.1111/hiv.12191] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/09/2014] [Indexed: 11/29/2022]
Affiliation(s)
- A Wilmer
- Department of Pathology & Laboratory Medicine; University of British Columbia; Vancouver BC Canada
| | - MG Romney
- Department of Pathology & Laboratory Medicine; University of British Columbia; Vancouver BC Canada
- Department of Pathology & Laboratory Medicine; Division of Medical Microbiology; St. Paul's Hospital; Vancouver BC Canada
| | - R Gustafson
- Communicable Disease Control; Vancouver Coastal Health; Vancouver BC Canada
| | - J Sandhu
- Public Health Surveillance Unit; Vancouver Coastal Health; Vancouver BC Canada
| | - T Chu
- Public Health Surveillance Unit; Vancouver Coastal Health; Vancouver BC Canada
| | - C Ng
- British Columbia Centre for Disease Control, Public Health Microbiology & Reference Laboratory; Division of Mycology and Bacteriology; Vancouver BC Canada
| | - L Hoang
- Department of Pathology & Laboratory Medicine; University of British Columbia; Vancouver BC Canada
- British Columbia Centre for Disease Control, Public Health Microbiology & Reference Laboratory; Division of Mycology and Bacteriology; Vancouver BC Canada
| | - S Champagne
- Department of Pathology & Laboratory Medicine; University of British Columbia; Vancouver BC Canada
- Department of Pathology & Laboratory Medicine; Division of Medical Microbiology; St. Paul's Hospital; Vancouver BC Canada
| | - MW Hull
- Department of Medicine; University of British Columbia; Vancouver BC Canada
- BC Centre for Excellence in HIV/AIDS; Vancouver BC Canada
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Chauhan V, Sharma G, Rana BS, Jearth V, Sandhu J. Guillain-Barré syndrome presenting as Bell′s palsy with crossed hemiparesis. Int J Crit Illn Inj Sci 2015; 5:62-3. [PMID: 25810972 PMCID: PMC4366836 DOI: 10.4103/2229-5151.152352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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29
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Damodaran L, Olphert C, Sandhu J. Falling Off the Bandwagon? Exploring the Challenges to Sustained Digital Engagement by Older People. Gerontology 2014; 60:163-73. [DOI: 10.1159/000357431] [Citation(s) in RCA: 25] [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] [Received: 02/25/2013] [Accepted: 11/19/2013] [Indexed: 11/19/2022] Open
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30
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Sandhu JS, Makkar V, Sohal PM, Singh A, Kaur H, Sandhu J. Isolated cavitary lung disease in a renal allograft recipient: A rare manifestation of cryptococcus. Indian J Nephrol 2013; 23:381-3. [PMID: 24049280 PMCID: PMC3764718 DOI: 10.4103/0971-4065.116333] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Although lungs are the portal of entry for cryptococcus, pulmonary disease is relatively uncommon. Cavitary pulmonary disease is even less common. We report a rare case of cryptococcosis with an isolated cavitary lung lesion in a renal allograft recipient.
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Shenoy S, Tyagi B, Sandhu J, Sengupta D. Development of non-exercise based VO2max prediction equation in college-aged participants in India. J Sports Med Phys Fitness 2012; 52:465-473. [PMID: 22976732] [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: 06/01/2023]
Abstract
AIM The purpose of this study was to develop a linear regression model to predict treadmill VO2max scores using non-exercise data. METHODS In this cross sectional study, one hundred twenty college-aged participants (60 male, 60 female, mean age 22.02±2.29 years) voluntarily participated and successfully completed a maximal graded exercise test (GXT) on a motorized treadmill to assess VO2max (mean±SD; 2.05 L·min-¹±1.03 L·min-¹). The maximal treadmill GXT required participants to exercise to volitional fatigue. RESULTS Relevant non-exercise data included a mean (±SD) perceived functional ability (PFA) score, and physical activity rating (PA-R) score, body surface area (BSA) of 14.6±3.9, 2.97±1..75, 1.66±0.17, respectively. Multiple linear regression generated the following regression equation (R=0.899, R2=0.805, adjusted R2=0.799, SEE=0.426 L·min-¹): VO2max (L/min)=-1.541+1.096 (gender, 1=male, 0=female) +.081 (PFA) +1.084(BSA). Each predictor variable was statistically significant (P<0.05) with beta weights for gender, PFA, BSA, PA-R, and equal to (-0.518), (0.255), (0.228), (0.092), percent body fat (-0.003), respectively. The accuracy of the model was evaluated by conducting a cross-validation analysis (N.=18). CONCLUSION This study provides a N-EX regression prediction model that yields results and also provide a convenient and efficient tool that estimate VO2max in healthy college-aged participants in India.
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Affiliation(s)
- S Shenoy
- Department of Sports Medicine and Physiotherapy, Guru Nanak Dev University, Amritsar, India.
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Coentrao L, Ribeiro C, Santos-Araujo C, Neto R, Pestana M, Kleophas W, Kleophas W, Karaboyas A, LI Y, Bommer J, Pisoni R, Robinson B, Port F, Celik G, Burcak Annagur B, Yilmaz M, Demir T, Kara F, Trigka K, Dousdampanis P, Vaitsis N, Aggelakou-Vaitsi S, Turkmen K, Guney I, Turgut F, Altintepe L, Tonbul HZ, Abdel-Rahman E, Sclauzero P, Galli G, Barbati G, Carraro M, Panzetta GO, Van Diepen M, Schroijen M, Dekkers O, Dekker F, Sikole A, Severova- Andreevska G, Trajceska L, Gelev S, Amitov V, Pavleska- Kuzmanovska S, Karaboyas A, Rayner H, LI Y, Vanholder R, Pisoni R, Robinson B, Port F, Hecking M, Jung B, Leung M, Huynh F, Chung T, Marchuk S, Kiaii M, Er L, Werb R, Chan-Yan C, Beaulieu M, Malindretos P, Makri P, Zagkotsis G, Koutroumbas G, Loukas G, Nikolaou E, Pavlou M, Gourgoulianni E, Paparizou M, Markou M, Syrgani E, Syrganis C, Raimann J, Usvyat LA, Bhalani V, Levin NW, Kotanko P, Huang X, Stenvinkel P, Qureshi AR, Riserus U, Cederholm T, Barany P, Heimburger O, Lindholm B, Carrero JJ, Chang JH, Sung JY, Jung JY, Lee HH, Chung W, Kim S, Han JS, Kim S, Chang JH, Jung JY, Chung W, Na KY, Raimann J, Usvyat LA, Kotanko P, Levin NW, Fragoso A, Pinho A, Malho A, Silva AP, Morgado E, Leao Neves P, Joki N, Tanaka Y, Iwasaki M, Kubo S, Hayashi T, Takahashi Y, Hirahata K, Imamura Y, Hase H, Castledine C, Gilg J, Rogers C, Ben-Shlomo Y, Caskey F, Na KY, Kim S, Chung W, Jung JY, Chang JH, Lee HH, Sandhu JS, Bajwa GS, Kansal S, Sandhu J, Jayanti A, Nikam M, Ebah L, Summers A, Mitra S, Agar J, Perkins A, Simmonds R, Tjipto A, Amet S, Launay-Vacher V, Laville M, Tricotel A, Frances C, Stengel B, Gauvrit JY, Grenier N, Reinhardt G, Clement O, Janus N, Rouillon L, Choukroun G, Deray G, Bernasconi A, Waisman R, Montoya AP, Liste AA, Hermes R, Muguerza G, Heguilen R, Iliescu EL, Martina V, Rizzo MA, Magenta P, Lubatti L, Rombola G, Gallieni M, Loirat C, Loirat C, Mellerio H, Labeguerie M, Andriss B, Savoye E, Lassale M, Jacquelinet C, Alberti C, Aggarwal Y, Baharani J, Tabrizian S, Ossareh S, Zebarjadi M, Azevedo P, Travassos F, Frade I, Almeida M, Queiros J, Silva F, Cabrita A, Rodrigues R, Couchoud C, Kitty J, Benedicte S, Fergus C, Cecile C, Couchoud C, Sahar B, Emmanuel V, Christian J, Rene E, Barahimi H, Mahdavi-Mazdeh M, Nafar M, Petruzzi M, De Benedittis M, Sciancalepore M, Gargano L, Natale P, Vecchio MC, Saglimbene V, Pellegrini F, Gentile G, Stroumza P, Frantzen L, Leal M, Torok M, Bednarek A, Dulawa J, Celia E, Gelfman R, Hegbrant J, Wollheim C, Palmer S, Johnson DW, Ford PJ, Craig JC, Strippoli GF, Ruospo M, El Hayek B, Hayek B, Baamonde E, Bosch E, Ramirez JI, Perez G, Ramirez A, Toledo A, Lago MM, Garcia-Canton C, Checa MD, Canaud B, Canaud B, Lantz B, Pisoni R, Granger-Vallee A, Lertdumrongluk P, Molinari N, Ethier J, Jadoul M, Gillespie B, Port F, Bond C, Wang S, Alfieri T, Braunhofer P, Newsome B, Wang M, Bieber B, Guidinger M, Bieber B, Wang M, Zuo L, Pisoni R, Yu X, Yang X, Qian J, Chen N, Albert J, Yan Y, Ramirez S, Bernasconi A, Waisman R, Beresan M, Lapidus A, Canteli M, Heguilen R, Tong A, Palmer S, Manns B, Craig J, Ruospo M, Gargano L, Strippoli G, Mortazavi M, Vahdatpour B, Shahidi S, Ghasempour A, Taheri D, Dolatkhah S, Emami Naieni A, Ghassami M, Khan M, Abdulnabi K, Pai P, Ruospo M, Petruzzi M, De Benedittis M, Sciancalepore M, Gargano L, Vecchio M, Saglimbene V, Natale P, Pellegrini F, Gentile G, Stroumza P, Frantzen L, Leal M, Torok M, Bednarek A, Dulawa J, Celia E, Gelfman R, Hegbrant J, Wollheim C, Palmer S, Johnson DW, Ford PJ, Craig JC, Strippoli GF, Muqueet MA, Muqueet MA, Hasan MJ, Kashem MA, Dutta PK, Liu FX, Noe L, Quock T, Neil N, Inglese G, Qian J, Bieber B, Guidinger M, Bieber B, Chen N, Yan Y, Pisoni R, Wang M, Zuo L, Yu X, Yang X, Wang M, Albert J, Ramirez S, Ossareh S, Motamed Najjar M, Bahmani B, Shafiabadi A, Helve J, Haapio M, Groop PH, Gronhagen-Riska C, Finne P, Helve J, Haapio M, Sund R, Groop PH, Gronhagen-Riska C, Finne P, Cai M, Baweja S, Clements A, Kent A, Reilly R, Taylor N, Holt S, Mcmahon L, Usvyat LA, Carter M, Van der Sande FM, Kooman J, Raimann J, Levin NW, Kotanko P, Usvyat LA, Malhotra R, Ouellet G, Penne EL, Raimann J, Thijssen S, Levin NW, Kotanko P, Etter M, Tashman A, Guinsburg A, Grassmann A, Barth C, Marelli C, Marcelli D, Van der Sande FM, Von Gersdorff G, Bayh I, Kooman J, Scatizzi L, Lam M, Schaller M, Thijssen S, Toffelmire T, Wang Y, Sheppard P, Usvyat LA, Levin NW, Kotanko P, Neri L, Andreucci VA, Rocca-Rey LA, Bertoli SV, Brancaccio D, Tjipto A, Simmonds R, Agar J, Huang X, Stenvinkel P, Qureshi AR, Riserus U, Cederholm T, Barany P, Heimburger O, Lindholm B, Carrero JJ, Vecchio M, Palmer S, De Berardis G, Craig J, Lucisano G, Johnson D, Pellegrini F, Nicolucci A, Sciancalepore M, Saglimbene V, Gargano L, Bonifati C, Ruospo M, Navaneethan SD, Montinaro V, Stroumza P, Zsom M, Torok M, Celia E, Gelfman R, Bednarek-Skublewska A, Dulawa J, Graziano G, Gentile G, Ferrari JN, Santoro A, Zucchelli A, Triolo G, Maffei S, Hegbrant J, Wollheim C, De Cosmo S, Manfreda VM, Strippoli GF, Janus N, Janus N, Launay-Vacher V, Juillard L, Rousset A, Butel F, Girardot-Seguin S, Deray G, Hannedouche T, Isnard M, Berland Y, Vanhille P, Ortiz JP, Janin G, Nicoud P, Touam M, Bruce E, Rouillon L, Laville M, Janus N, Juillard L, Rousset A, Butel F, Girardot-Seguin S, Deray G, Hannedouche T, Isnard M, Berland Y, Vanhille P, Ortiz JP, Janin G, Nicoud P, Touam M, Bruce E, Rouillon L, Laville M, Janus N, Launay-Vacher V, Juillard L, Rousset A, Butel F, Girardot-Seguin S, Deray G, Hannedouche T, Isnard M, Berland Y, Vanhille P, Ortiz JP, Janin G, Nicoud P, Touam M, Bruce E, Rouillon L, Laville M, Grace B, Clayton P, Cass A, Mcdonald S, Baharani J, Furumatsu Y, Kitamura T, Fujii N, Ogata S, Nakamoto H, Iseki K, Tsubakihara Y, Chien CC, Wang JJ, Hwang JC, Wang HY, Kan WC, Kuster N, Kuster N, Patrier L, Bargnoux AS, Morena M, Dupuy AM, Badiou S, Canaud B, Cristol JP, Desmet JM, Fernandes V, Collart F, Spinogatti N, Pochet JM, Dratwa M, Goffin E, Nortier J, Zilisteanu DS, Voiculescu M, Rusu E, Achim C, Bobeica R, Balanica S, Atasie T, Florence S, Anne-Marie S, Michel L, Cyrille C, Emmanuel V, Strakosha A, Strakosha A, Pasko N, Kodra S, Thereska N, Lowney A, Lowney E, Grant R, Murphy M, Casserly L, O' Brien T, Plant WD, Radic J, Radic J, Ljutic D, Kovacic V, Radic M, Dodig-Curkovic K, Sain M, Jelicic I, Fujii N, Hamano T, Nakano C, Yonemoto S, Okuno A, Katayama M, Isaka Y, Nordio M, Limido A, Postorino M, Nichelatti M, Khil M, Dudar I, Khil V, Shifris I, Momtaz M, Soliman AR, El Lawindi MI, Dzekova-Vidimliski P, Pavleska-Kuzmanovska S, Trajceska L, Nikolov I, Selim G, Gelev S, Amitov V, Sikole A, Shoji T, Kakiya R, Hayashi T, Tatsumi-Shimomura N, Tsujimoto Y, Tabata T, Shima H, Mori K, Fukumoto S, Tahara H, Koyama H, Emoto M, Ishimura E, Nishizawa Y, Inaba M. Epidemiology and outcome research in CKD 5D. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs227] [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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Scala L, Chi D, Bochner B, Andikyan V, Gerst S, Sandhu J, Boland P, Sonoda Y, Alektiar K. OC-46 HIGH DOSE RATE (HDR) INTRAOPERATIVE BRACHYTHERAPY IN THE MANAGEMENT OF RECURRENT GYNECOLOGIC MALIGNANCIES. Radiother Oncol 2012. [DOI: 10.1016/s0167-8140(12)72013-3] [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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Sandhu J, Green M. Placebo expectancy effects in the relationship between acaí berry, caffeine and glucose on cognition and sensory motor movements. Appetite 2011. [DOI: 10.1016/j.appet.2011.05.094] [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: 10/17/2022]
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Vickers A, Savage C, Bianco F, Mulhall J, Sandhu J, Guillonneau B, Cronin A, Scardino P. Cancer control and functional outcomes after radical prostatectomy as markers of surgical quality: analysis of heterogeneity between surgeons at a single cancer center. Int Braz J Urol 2011. [DOI: 10.1590/s1677-55382011000300025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- A Vickers
- Memorial Sloan-Kettering Cancer Center, USA
| | - C Savage
- Memorial Sloan-Kettering Cancer Center, USA
| | - F Bianco
- Memorial Sloan-Kettering Cancer Center, USA
| | - J Mulhall
- Memorial Sloan-Kettering Cancer Center, USA
| | - J Sandhu
- Memorial Sloan-Kettering Cancer Center, USA
| | | | - A Cronin
- Memorial Sloan-Kettering Cancer Center, USA
| | - P Scardino
- Memorial Sloan-Kettering Cancer Center, USA
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Sandhu J, Packham JC, Healey EL, Jordan KP, Garratt AM, Haywood KL. Evaluation of a modified arthritis self-efficacy scale for an ankylosing spondylitis UK population. Clin Exp Rheumatol 2011; 29:223-230. [PMID: 21504660] [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] [Received: 03/22/2010] [Accepted: 09/13/2010] [Indexed: 05/30/2023]
Abstract
OBJECTIVES To evaluate an Ankylosing Spondylitis-specific Arthritis Self-Efficacy Scale (ASES-AS) United Kingdom (UK) secondary care population. METHODS The ASES-AS is based on the 8-item ASES with minor alterations in phraseology. Patients from ten secondary care rheumatology centres across England were asked to complete a postal questionnaire concerning sociodemographic and clinical characteristics: Bath AS Functional Index (BASFI), Bath AS Disease Activity Index (BASDAI), numerical pain rating scale (NRS), Hospital Anxiety and Depression Scale (HADS), Short Form 36 (SF-36), Evaluation of AS Quality of Life questionnaire (EASi-QoL) and ASES-AS. Respondents received repeat questionnaires at 2 weeks and 6 months including health transition questions assessing change in AS-specific and general health. The ASES-AS was assessed for data quality, reliability, validity, and responsiveness. RESULTS Response rate was 64% (n=612), 72% (n=438) were male, mean age 50.8yrs (SD 12.2 yrs), mean disease duration 17.3 yrs (SD 11.7 yrs) and mean symptom duration 22.4 yrs (SD 12.4 yrs). Missing data for each item/total score range was 0.7%-3.1%. Item-total correlations range was 0.66 to 0.83. Cronbach's alpha was 0.93 and test-retest reliability (intraclass correlation coefficient) 0.77. A priori hypothesised associations between ASAS-AS and disease status measures were supported. Social variables potentially related to self-efficacy demonstrated evidence of convergent validity (employment p<0.001, educational level p<0.005). A Modified Standard Response Mean (MSRM) of 0.44 and 0.26 in AS-specific and general health respectively at 6 months indicates moderate responsiveness. CONCLUSIONS ASES-AS has good evidence supporting its application as an AS-specific self-efficacy measure in research including clinical trials at a group level.
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Affiliation(s)
- J Sandhu
- Arthritis Research Campaign National Primary Care Centre, Keele University, Staffordshire, UK.
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Sandhu J. Low back pain and concept of segmental stabilisation. Br J Sports Med 2010. [DOI: 10.1136/bjsm.2010.078725.3] [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: 11/04/2022]
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Travers B, Henderson S, Vasireddy S, SeQueira EJ, Cornell PJ, Richards S, Khan A, Hasan S, Withrington R, Leak A, Sandhu J, Joseph A, Packham JC, Lyle S, Martin JC, Goodfellow RM, Rhys-Dillon C, Morgan JT, Mogford S, Rowan-Phillips J, Moss D, Wilson H, McEntegart A, Morgan JT, Martin JC, Rhys Dillon C, Goodfellow R, Gould L, Bukhari M, Hassan S, Butt S, Deighton C, Gadsby K, Love V, Kara N, Gohery M, Keat A, Lewis A, Robinson R, Bastawrous S, Roychowdhury B, Roskell S, Douglas B, Keating H, Giles S, McPeake J, Molloy C, Chalam V, Mulherin D, Price T, Sheeran T, Benjamin SR, Thompson PW, Cornell P, Siddle HJ, Backhouse MR, Monkhouse RA, Harris NJ, Helliwell PS, Azzopardi L, Hudson S, Mallia C, Cassar K, Coleiro B, Cassar PJ, Aquilina D, Camilleri F, Serracino Inglott A, Azzopardi LM, Robinson S, Peta H, Margot L, David W, Mann C, Gooberman-Hill R, Jagannath D, Healey E, Goddard C, Pugh MT, Gilham L, Bawa S, Barlow JH, MacFarland L, Tindall L, Leddington Wright S, Tooby J, Ravindran J, Perkins P, McGregor L, Mabon E, Bawa S, Bond U, Swan J, O'Connor MB, Rathi J, Regan MJ, Phelan MJ, Doherty T, Martin K, Ruth C, Panthakalam S, Bondin D, Castelino M, Evin S, Gooden A, Peacock C, Teh LS, Ryan SJ, Bryant E, Carter A, Cox S, Moore AP, Jackson A, Kuisma R, Pattman J, Juarez M, Quilter A, Williamson L, Collins D, Price E, Chao Y, Mooney J, Watts R, Graham K, Birrell F, Reed M, Croyle S, Stell J, Vasireddy S, Storrs P, McLoughlin YM, Scott G, McKenna F, Papou A, Rahmeh FH, Richards SC, Westlake SL, Birrell F, Morgan L, Baqir W, Walsh NE, Ward L, Caine R, Williams M, Breslin A, Owen C, Ahmad Y, Morgan L, Blair A, Birrell F, Ramachandran Nair J, Zia A, Mewar D, Peffers GM, Larder R, Dockrell D, Wilson S, Cummings J, Bansal J, Barlow J. BHPR: Audit/Service Delivery [239-277]: 239. Arma-Based Audit of Rheumatology Service Delivered Predominantly Outside the Traditional Hospital Setting. Rheumatology (Oxford) 2010. [DOI: 10.1093/rheumatology/keq730] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Wig S, Bischoff P, Holt M, Collins S, Goodfellow R, Martin J, Rhys-Dillon C, Lyle S, Rowan Phillips J, Mease PJ, Perdok R, Kary S, Kupper H, Humphreys E, Amos N, Nash J, Jones S, McHugh K, Giles J, Kollnberger S, Kuroi K, Maenaka K, Bowness P, El Miedany Y, El Gaafary M, Youssef S, Palmer D, Marshall CL, Harrison PV, Bukhari M, Greenwood MC, Omar F, Hakim AJ, Donnelly SP, Rooney MM, Lanham JG, Tahir H, Mease PJ, Kavanaugh A, Perdok R, Kupper H, Lavie F, Barlow JH, McFarland L, Tindall L, Ravindran J, Perkins P, Ciurtin C, Doufexi D, Bartko J, Roussou E, Phillips JR, Collins S, Lyle S, Goodfellow R, Martin J, Rhys-Dillon C, Thompson B, Rapley T, Broderick W, May C, Kay L, Sandhu J, Packham JC, Healey EL, Jordan K, Garratt AM, Haywood KL, Utriainen L, Cerovic V, McInnes I, Milling S, Ritchlin CT, Mease PJ, Perdok R, Kupper H, Lavie F, Freeston JE, Coates LC, Helliwell PS, Hensor EM, Wakefield RJ, Emery P, Conaghan PG, Skerrett J, van der Weide I, Barlow J, Keat A, van der Heijde D, Braun J, Sieper J, Wishneski C, Vlahos B, Szumski A, Foehl J, Freundlich B, Koenig A, Gatia A, Bartko J, Doufexi D, Roussou E, Kavanaugh A, Gladman D, Chattopadhyay C, Mease P, McInnes IB, Beutler A, Zrubek J, Buchanan J, Parasuraman S, Mack M, Krueger GG, Wazir TU, Cairns AP, Bell A, Giles JL, Shaw J, McHugh K, Ridley A, Bowness P, Kollnberger S, Pritchard GS, Bukhari M, Wilcox L, Freeston JE, Coates LC, Helliwell PS, Hensor EM, Wakefield RJ, Emery P, Conaghan PG, Packham J, Jordan KP, Lebmeier M, Garratt AM, Healey EL, Haywood KL, Ciurtin C, Roussou E, Clarke L, Kay L, Gingold MJ, Bansback N, Guh DP, Cavill C, Porteous R, Kyle SD, Waldron N, Korendowych E, McHugh N, Braun J, van der Heijde AD, Deodhar L, Diekman J, Sieper SI, Kim A, Beutler M, Mack S, Xu J, Zrubek B, Hsu R, Inman O. Spondyloarthropathies (Including Psoriatic Arthritis) [40-69]: 40. Eagle's Syndrome: An Unusual Association with Sero-Negative Arthropathy. Rheumatology (Oxford) 2010. [DOI: 10.1093/rheumatology/keq716] [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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Shenoy S, Guglani R, Sandhu J. Effectiveness of walking with pedometer and heart rate monitor on the quality of life and wellbeing in Asian Indians with type 2 diabetes. Ibnosina Journal of Medicine and Biomedical Sciences 2009. [DOI: 10.4103/1947-489x.211053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AbstractIntroduction: The objective of the study was to analyze the effect of an eight week walking program using a pedometer and heart rate monitor (HRM) for evaluating exercise intensity compared with walking alone on quality of life and general wellbeing (GWB) in Asian Indians with type 2 diabetes.Methods: Forty adults with type 2 diabetes were randomly assigned to an eight week supervised program of walking alone (group A) and walking using pedometer and HRM (group B). A suitably designed and validated questionnaire was administered before and after eight weeks of training for all patients to assess the quality of life (ADDQoL-19) and general wellbeing (W-BQ12).Results: At the end of the study, quality of life and general wellbeing scores were found markedly improved in both the groups. In group A, a statistically significant reduction was noted for seven items and in group B a statistically significant reduction was seen in eleven items of the quality of life questionnaire.General wellbeing scores were improved in both groups by 26.2% in group A and 28.8% in group B (P<0.05).Conclusion: Walking using a pedometer and heart rate monitor for assessing exercise intensity and motivation was found more effective than walking alone in improving quality of life and general wellbeing for Asian Indians with type 2 diabetes.
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Affiliation(s)
- S Shenoy
- Department of Sports Medicine and Physiotherapy, Guru Nanak Dev University, Amritsar
| | - R Guglani
- Department of Sports Medicine and Physiotherapy, Guru Nanak Dev University, Amritsar
| | - J Sandhu
- Department of Sports Medicine and Physiotherapy, Guru Nanak Dev University, Amritsar
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Cook C, Nguyen L, Hegedus E, Sandago A, Pietrobon R, Constantinou D, Chuckpaiwong B, Sandhu J, Moorman CT. Continental variations in preoperative and postoperative management of patients with anterior cruciate ligament repair. Eur J Phys Rehabil Med 2008; 44:253-261. [PMID: 18500213] [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: 05/26/2023]
Abstract
AIM Surgeon decision making for non-operative anterior cruciate ligament (ACL) treatment and postoperative rehabilitation is influenced by a myriad of factors. The aim of this study was to investigate intercontinental differences in surgeon decision making for care of the ACL deficient patient. The authors hypothesized that significant variation in clinical decision of ACL deficient patients existed among surgeons in different continents. METHODS This study involved a survey design, which met the checklist for reporting results of internet e-surveys (CHERRIES) guidelines. The survey was administered to orthopedic surgeons in 15 countries and involved standardized follow up and design. Questions related to non-operative care management and postoperative/rehabilitative management were provided to each respondent. Statistical analyses included multivariate comparisons among continents and regression findings for likelihood of targeting longer term non-operative treatment. RESULTS Over six hundred (634) surgeons completed the survey, representing six continents. Continental variations were found in non-operative surgical decision making and postoperative/rehabilitative management. Significant differences were noted in nearly all clinical decision making categories. CONCLUSION Variations do exist across continents in the non-operative and postoperative/rehabilitative management of patients with an ACL tear. Continental variations and disparate emphases such as activity level, age during injury, and bracing influenced treatment decision making, which could lead to variations in outcomes, costs, and appropriate care.
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Affiliation(s)
- C Cook
- Centers of Excellence in Surgical Outcomes, Department of Surgery, Duke University, Durham, NC, USA.
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Sandhu J, Ben-Shlomo Y, Cole TJ, Holly J, Davey Smith G. The impact of childhood body mass index on timing of puberty, adult stature and obesity: a follow-up study based on adolescent anthropometry recorded at Christ's Hospital (1936-1964). Int J Obes (Lond) 2006; 30:14-22. [PMID: 16344844 DOI: 10.1038/sj.ijo.0803156] [Citation(s) in RCA: 162] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To examine the impact of childhood body mass index (BMI) on timing of puberty, adult stature and obesity. DESIGN A retrospective school-based cohort follow-up study. SUBJECTS A total of 1520 men born between 1927 and 1956 with serial height and weight measurements from the age of 9 to 18, followed up in adulthood at a mean age of 63 years. MEASUREMENTS Prepubertal (child) BMI; age at peak height velocity (APHV); adult leg length, waist and hip circumference (self-reported), and height and weight (measured). RESULTS Boys with a higher childhood BMI tended to have an earlier puberty (per s.d. increase in child BMI: -0.31 years, 95% confidence interval (CI): -0.23 to -0.39, P < 0.001). Childhood BMI correlated strongly and positively with adult adiposity, as measured by BMI (1.24 kg/m(2), 95% CI: 1.04-1.45, P < 0.001), waist (1.94 cm, 95% CI: 1.50-2.37, P < 0.001) and hip (1.91 cm, 95% CI: 1.55-2.28, P < 0.001). It correlated inversely with leg length (-0.40 cm, 95% CI: -0.68 to -0.12, P = 0.005), but not significantly with height or trunk length. Boys with a later puberty tended to be taller (per s.d. increase in APHV: 0.57 cm, 95% CI: 0.17-0.97, P = 0.006) and less adipose as adults (-0.55 kg/m(2), 95% CI: -0.33 to -0.77, P < 0.001). CONCLUSION The long-term consequences of childhood obesity into adulthood are well known, but the potential impact on early pubertal maturation is less well appreciated. The factors that contribute to the onset and persistence of childhood obesity require more public health focus.
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Affiliation(s)
- J Sandhu
- Department of Social Medicine, University of Bristol, UK.
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Nguyen H, Hay J, Gallinger S, Sandhu J, Hozumi N. Isolation of human single chain antibodies (scFv) against human TNF-alpha from human peripheral blood lymphocyte-SCID mice. Hum Antibodies 2003; 11:65-72. [PMID: 12454366] [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: 02/27/2023]
Abstract
By developing an appropriate immunization protocol for SCID (hu-PBL-SCID) mice engrafted with human peripheral blood lymphocytes in combination with scFv phage display library, we were able to establish an efficient strategy to obtain human scFv clones against a human self-antigen, TNF-alpha. The mice pretreated with gamma-radiation (3Gy) and anti-asialo GM1 antibody were immunized with a mixture of human TNF-alpha-keyhole limpet hemocyanin and Freund's adjuvant. Human antibody maturation was suggested to be induced in the mice with the immunization protocol. The scFv clones obtained from the mice were shown to exhibit binding affinities in the range of 10(7)-10(8) M(-1). Together with our previously published work on the isolation of respiratory syncytial virus neutralizing scFvs, the results of this study have implicated that this combined approach is one of the effective alternatives for the cloning of human monoclonal antibodies specific for a wide range of antigens of interest.
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Affiliation(s)
- H Nguyen
- Department of Laboratory Medicine and Pathology, Samuel Lunenfeld Research Institute at Mount Sinai Hospital, Toronto, Canada.
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Hart TC, Gorry MC, Hart PS, Woodard AS, Shihabi Z, Sandhu J, Shirts B, Xu L, Zhu H, Barmada MM, Bleyer AJ. Mutations of the UMOD gene are responsible for medullary cystic kidney disease 2 and familial juvenile hyperuricaemic nephropathy. J Med Genet 2002; 39:882-92. [PMID: 12471200 PMCID: PMC1757206 DOI: 10.1136/jmg.39.12.882] [Citation(s) in RCA: 327] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Medullary cystic kidney disease 2 (MCKD2) and familial juvenile hyperuricaemic nephropathy (FJHN) are both autosomal dominant renal diseases characterised by juvenile onset of hyperuricaemia, gout, and progressive renal failure. Clinical features of both conditions vary in presence and severity. Often definitive diagnosis is possible only after significant pathology has occurred. Genetic linkage studies have localised genes for both conditions to overlapping regions of chromosome 16p11-p13. These clinical and genetic findings suggest that these conditions may be allelic. AIM To identify the gene and associated mutation(s) responsible for FJHN and MCKD2. METHODS Two large, multigenerational families segregating FJHN were studied by genetic linkage and haplotype analyses to sublocalise the chromosome 16p FJHN gene locus. To permit refinement of the candidate interval and localisation of candidate genes, an integrated physical and genetic map of the candidate region was developed. DNA sequencing of candidate genes was performed to detect mutations in subjects affected with FJHN (three unrelated families) and MCKD2 (one family). RESULTS We identified four novel uromodulin (UMOD) gene mutations that segregate with the disease phenotype in three families with FJHN and in one family with MCKD2. CONCLUSION These data provide the first direct evidence that MCKD2 and FJHN arise from mutation of the UMOD gene and are allelic disorders. UMOD is a GPI anchored glycoprotein and the most abundant protein in normal urine. We postulate that mutation of UMOD disrupts the tertiary structure of UMOD and is responsible for the clinical changes of interstitial renal disease, polyuria, and hyperuricaemia found in MCKD2 and FJHN.
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Affiliation(s)
- T C Hart
- University of Pittsburgh, School of Dental Medicine, Division of Oral Biology, University of Pittsburgh, Pittsburgh, PA 15261, USA.
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Affiliation(s)
- D Gunnell
- Department of Social Medicine, Canynge Hall, University of Bristol, Whiteladies Road, Bristol BS8 2PR, United Kingdom.
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Wang J, Chen P, Su ZF, Vallis K, Sandhu J, Cameron R, Hendler A, Reilly RM. Amplified delivery of indium-111 to EGFR-positive human breast cancer cells. Nucl Med Biol 2001; 28:895-902. [PMID: 11711308 DOI: 10.1016/s0969-8051(01)00262-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [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: 11/26/2022]
Abstract
A method is described to amplify the delivery of 111In to human breast cancer cells utilizing a novel human serum albumin-human EGF (HSA-hEGF) bioconjugate substituted preferentially in the HSA domain with multiple DTPA metal chelators for 111In. 111In-DTPA-HSA-hEGF exhibited a lower receptor-binding affinity than 111In-DTPA-hEGF but was rapidly and specifically bound, internalized and translocated to the nucleus in EGFR-positive MDA-MB-468 breast cancer cells. 111In-DTPA-HSA-hEGF was cytotoxic in vitro mainly through the emission of short-range Auger electrons and partially through the effects of the hEGF moiety to MDA-MB-468 cells overexpressing EGFR (1-2 x 10(6) receptors/cell) but not towards MCF-7 breast cancer cells with a 100-fold lower level of EGFR on their surface. The cytotoxicity in vitro against MDA-MB-468 cells of 111In-DTPA-HSA-hEGF substituted with nine DTPA chelators was enhanced 4-fold compared to 111In-DTPA-hEGF monosubstituted with DTPA. Studies are planned to further evaluate 111In-DTPA-HSA-hEGF in vivo as a new imaging and targeted radiotherapeutic agent for breast cancer.
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Affiliation(s)
- J Wang
- Division of Nuclear Medicine, University Health Network, Toronto General Hospital, Toronto, ON, Canada
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Cheeta S, Tucci S, Sandhu J, Williams AR, Rupniak NM, File SE. Anxiolytic actions of the substance P (NK1) receptor antagonist L-760735 and the 5-HT1A agonist 8-OH-DPAT in the social interaction test in gerbils. Brain Res 2001; 915:170-5. [PMID: 11595206 DOI: 10.1016/s0006-8993(01)02846-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.7] [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: 11/29/2022]
Abstract
The gerbil social interaction test has previously detected anxiolytic effects of nicotine and diazepam. In the present study, the high affinity substance P (NK(1)) receptor antagonist L-760735 (3 mg/kg) significantly increased the time spent in social interaction, whereas its low affinity analogue L-781773 (3 mg/kg) was without effect. Diazepam (0.1 mg/kg) and the 5-HT(1A) receptor agonist 8-OH-DPAT (0.003 and 0.01 mg/kg) also increased social interaction, whereas an acute dose of the selective serotonin re-uptake inhibitor fluoxetine (10 mg/kg) decreased the time spent in social interaction. Diazepam (0.1 mg/kg) significantly increased locomotor activity, but this effect was independent of the increase in social interaction. The other drugs tested were without effect on locomotor activity. The present findings suggest that the gerbil social interaction may well provide a useful assay for detecting both anxiolytic and anxiogenic compounds, and suggests that the high affinity NK(1) receptor antagonist L-760735 may prove to be useful as an anxiolytic therapy.
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Affiliation(s)
- S Cheeta
- Psychopharmacology Research Unit, Centre for Neuroscience, King's College London, SE1 1UL, London, UK
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Abstract
Anxiety may play an important role in the onset of smoking, particularly in young girls. This study examined whether there were sex differences in the effects of nicotine on anxiety in adolescent rats and whether social isolation modified these effects. Male and female adolescent rats were housed in groups of the same sex or in social isolation for seven days prior to testing in the social interaction test of anxiety. Nicotine increased social interaction in both males and females, and because there was no concomitant change in locomotor activity, this indicated anxiolytic effects. However, there was a 5-fold sex difference in the lowest dose required to enhance social interaction, with an anxiolytic effect in females at 0.05 mg/kg, but in males only at 0.25mg/kg. Furthermore, in males the anxiolytic effect was seen only in socially isolated animals, whereas in the females it was present in both housing conditions. The depressant effect of nicotine on locomotor activity also depended on both the sex of the animal and on their housing conditions, with greater effects in singly housed animals and in males. This sex difference in sensitivity to nicotine's anxiolytic effects suggests there may be sex differences in the factors initiating and maintaining teenage smoking.
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Affiliation(s)
- S Cheeta
- Psychopharmacology Research Unit, Centre for Neuroscience, GKT School of Biomedical Sciences, King's College London, Hodgkin Building, Guy's Campus, SE1 1UL, London, UK
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Sandhu J, Okasha M. Local research ethics committees. Br J Gen Pract 2001; 51:674-5. [PMID: 11510405 PMCID: PMC1314086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023] Open
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Lee CH, Poburko D, Sahota P, Sandhu J, Ruehlmann DO, van Breemen C. The mechanism of phenylephrine-mediated [Ca(2+)](i) oscillations underlying tonic contraction in the rabbit inferior vena cava. J Physiol 2001; 534:641-50. [PMID: 11483697 PMCID: PMC2278727 DOI: 10.1111/j.1469-7793.2001.t01-1-00641.x] [Citation(s) in RCA: 136] [Impact Index Per Article: 5.9] [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: 11/29/2022] Open
Abstract
1. We characterized the mechanisms in vascular smooth muscle cells (VSMCs) that produce asynchronous, wave-like Ca(2+) oscillations in response to phenylephrine (PE). Confocal imaging was used to observe [Ca(2+)](i) in individual VSMCs of intact inferior vena cava (IVC) from rabbits. 2. It was found that the Ca(2+) waves were initiated by Ca(2+) release from the sarcoplasmic reticulum (SR) via inositol 1,4,5-trisphosphate-sensitive SR Ca(2+) release channels (IP(3)R channels) and that refilling of the SR Ca(2+) store through the sarcoplasmic-endoplasmic reticulum Ca(2+)-ATPase (SERCA) was required for maintained generation of the repetitive Ca(2+) waves. 3. Blockade of L-type voltage-gated Ca(2+) channels (L-type VGCCs) with nifedipine reduced the frequency of PE-stimulated [Ca(2+)](i) oscillations, while additional blockade of receptor-operated channels/store-operated channels (ROCs/SOCs) with SKF96365 abolished the remaining oscillations. Parallel force measurements showed that nifedipine inhibited PE-induced tonic contraction by 27 % while SKF96365 abolished it. This indicates that stimulated Ca(2+) entry refills the SR to support the recurrent waves of SR Ca(2+) release and that both L-type VGCCs and ROCs/SOCs contribute to this process. 4. Application of the Na(+)-Ca(2+) exchanger (NCX) inhibitors 2',4'-dichlorobenzamil (forward- and reverse-mode inhibitor) and KB-R7943 (reverse-mode inhibitor) completely abolished the nifedipine-resistant component of [Ca(2+)](i) oscillations and markedly reduced PE-induced tone. 5. Thus, we conclude that each Ca(2+) wave depends on initial SR Ca(2+) release via IP(3)R channels followed by SR Ca(2+) refilling through SERCA. Na(+) entry through ROCs/SOCs facilitates Ca(2+) entry through the NCX operating in the reverse mode, which refills the SR and maintains PE-induced [Ca(2+)](i) oscillations. In addition some Ca(2+) entry through L-type VGCCs and ROCs/SOCs serves to modulate the frequency of the oscillations and the magnitude of force development.
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Affiliation(s)
- C H Lee
- Vancouver Vascular Biology Research Center, University of British Columbia, St Paul's Hospital, Room 292, 1081 Burrard Street, Vancouver, BC, Canada V6Z 1Y6
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