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  • 1
    In: British Journal of Surgery, Oxford University Press (OUP), Vol. 106, No. 2 ( 2019-01-08), p. e73-e80
    Abstract: The Clavien–Dindo classification is perhaps the most widely used approach for reporting postoperative complications in clinical trials. This system classifies complication severity by the treatment provided. However, it is unclear whether the Clavien–Dindo system can be used internationally in studies across differing healthcare systems in high- (HICs) and low- and middle-income countries (LMICs). Methods This was a secondary analysis of the International Surgical Outcomes Study (ISOS), a prospective observational cohort study of elective surgery in adults. Data collection occurred over a 7-day period. Severity of complications was graded using Clavien–Dindo and the simpler ISOS grading (mild, moderate or severe, based on guided investigator judgement). Severity grading was compared using the intraclass correlation coefficient (ICC). Data are presented as frequencies and ICC values (with 95 per cent c.i.). The analysis was stratified by income status of the country, comparing HICs with LMICs. Results A total of 44 814 patients were recruited from 474 hospitals in 27 countries (19 HICs and 8 LMICs). Some 7508 patients (16·8 per cent) experienced at least one postoperative complication, equivalent to 11 664 complications in total. Using the ISOS classification, 5504 of 11 664 complications (47·2 per cent) were graded as mild, 4244 (36·4 per cent) as moderate and 1916 (16·4 per cent) as severe. Using Clavien–Dindo, 6781 of 11 664 complications (58·1 per cent) were graded as I or II, 1740 (14·9 per cent) as III, 2408 (20·6 per cent) as IV and 735 (6·3 per cent) as V. Agreement between classification systems was poor overall (ICC 0·41, 95 per cent c.i. 0·20 to 0·55), and in LMICs (ICC 0·23, 0·05 to 0·38) and HICs (ICC 0·46, 0·25 to 0·59). Conclusion Caution is recommended when using a treatment approach to grade complications in global surgery studies, as this may introduce bias unintentionally.
    Type of Medium: Online Resource
    ISSN: 0007-1323 , 1365-2168
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 2006309-X
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  • 2
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 1993
    In:  Canadian Journal of Anaesthesia Vol. 40, No. S1 ( 1993-5), p. A3-A75
    In: Canadian Journal of Anaesthesia, Springer Science and Business Media LLC, Vol. 40, No. S1 ( 1993-5), p. A3-A75
    Type of Medium: Online Resource
    ISSN: 0832-610X , 1496-8975
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 1993
    detail.hit.zdb_id: 2050416-0
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  • 3
    In: BJS Open, Oxford University Press (OUP), Vol. 5, No. 6 ( 2021-11-09)
    Abstract: The intermediate-term impact of acute kidney injury (AKI) in patients after major gastrointestinal and liver surgery has not been well characterized. This study aimed to evaluate the 1-year mortality rate and renal outcomes associated with postoperative AKI in a national prospective cohort. Methods This prospective multicentre, observational cohort with 1-year postoperative follow-up included adults undergoing major gastrointestinal and liver surgery across the UK and Ireland between 23 September and 18 November 2015. AKI was defined according to Kidney Disease Improving Global Outcomes (KDIGO) criteria. The primary outcome was death at 1-year after surgery, and the secondary outcome was Major Adverse Kidney Events (MAKE-365). Cox proportionate and multilevel logistic regression were used to account for case mix. Results Of 5745 patients across 173 centres, 1-year follow-up data was completed for 3504 patients (62.2 per cent, 126 centres), with attrition largely explained by centre non-participation (63.1 per cent). Some 13.6 per cent (475 of 3504) patients developed AKI by 7 days after surgery (stage 1: 9.2 per cent; stage 2/3: 4.3 per cent). At 1 year, 10.8 per cent (378 patients) experienced a MAKE-365 endpoint (303 patients had died, 61 had renal replacement therapy and 78 had renal dysfunction). Patients who experienced AKI by 7 days after surgery had a higher hazard of death at 1 year for KDIGO stage 1 (hazard ratio 1.50 (95 per cent c.i. 1.08 to 2.08), P = 0.016) and KDIGO stage 2/3 (hazard ratio 2.96 (95 per cent c.i. 2.02 to 4.33), P & lt; 0.001). Both KDIGO stage 1 (odds ratio 2.09 (95 per cent c.i. 1.50 to 2.92), P & lt; 0.001) and stage 2/3 (odds ratio 9.26 (95 per cent c.i. 6.31 to 13.59), P & lt; 0.001) AKI were independently associated with MAKE-365. Conclusion AKI events within 7 days after gastrointestinal or liver surgery are associated with significantly worse survival and renal outcomes at 1 year.
    Type of Medium: Online Resource
    ISSN: 2474-9842
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2021
    detail.hit.zdb_id: 2902033-5
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  • 4
    Online Resource
    Online Resource
    Brill ; 1976
    In:  Bijdragen tot de taal-, land- en volkenkunde / Journal of the Humanities and Social Sciences of Southeast Asia Vol. 132, No. 1 ( 1976), p. 146-194
    In: Bijdragen tot de taal-, land- en volkenkunde / Journal of the Humanities and Social Sciences of Southeast Asia, Brill, Vol. 132, No. 1 ( 1976), p. 146-194
    Abstract: - John Beattie, Aylward Shorter, Chiefship in Western Tanzania: A political history of the Kimbu. Clarendon Press, Oxford 1972. Pp. xxvi, 439: 5 plates, 13 maps. - Jan Knappert, Francis Mading Deng, The Dinka and their songs. Oxford Library of African Literature. Oxford University Press 1973. 301 pp. - J.H. Konter, Carsten Murmann, Change and development in East African husbandry. A study of four societies during the colonial period. Akademisk Forlag, Kopenhagen 1974, 125 blz., 4 kaarten en auteurs index. - J.G. Oosten, Jean Buxton, Religion and healing in Mandari. Oxford 1973, 268 pp. Clarendon Press. - J.G. Oosten, Jozef Franz Thiel, La situation religieuse des Mbiem. Ceeba Publications, Série II, vol. I, Steyler Verlag, St. Augustin. Bandundu 1972. - J.J. de Wolf, A.F. Droogers, De gevaarlijke reis. Jongensinitiatie bij de Wagenia van Kisangani (Zäire). Academisch proefschrift. 1974, Vrije Universiteit te Amsterdam. - John Beattie, J.W. van Nieuwenhuijsen, Diviners and their ancestor spirits: study of the izangoma among the Nyuswa in Natal, South Africa. Uitgave 3, Afdeling Culturele Antropologie, Antropologische-Sociologische Centrum, Universiteit van Amsterdam, 1974. 37 pp. - Geert A. Banck, Peter Kloos, Het Indianenprobleem in Zuid Amerika. Terreinverkenningen in de Culturele Antropologie no. 2. Assen, Van Gorcum/Orion. 144 pag., paperback. - H. Heijmerink, S. Reissig Ortiz, Uncertainties in peasant farming, a Colombian case. London School of Economics Monographs on Social Anthropology, No. 46. University of London. The Athlone Press, New York. Humanities Press Inc., 1973, 294 pp. - Peter Kloos, Janet Siskend, To hunt in the morning. New York, Oxford University Press, 1973, 214 pp. - Ger van Roon, A.E. van Niekerk, Sociologie en sociale verandering in Latijns-Amerika. Deel II De naties, geredigeerd en ingeleid door Dr. A.E. van Niekerk. Universitaire Pers Rotterdam - Standaard Wetenschappelijke Uitgeverij Antwerpen 1974, 199 blz. - R.A.M. van Zantwijk, Horst Hartung, Die zeremonialzentren der Maya. Ein Beitrag zur Untersuchung der Planungsprinzipien. Akademische Druck- u. Verlagsanstalt. Graz, Oostenrijk 1971. 136 blz., 6 plattegronden, 36 fotopagina’s. - R.A.M. van Zantwijk, F. Cancian, Another place, Photographs of a Maya community. The Scrimshaw Press, San Francisco, 1974. 95 blz. - C. Baks, Louis Dumont, Religion, politics and history in India; Collected papers in Indian Sociology. Le monde d’outre mer passé et présent, première série; études XXXIV. Mouton Publishers Paris/The Hague, 1970. - J. van Baal, Jacques Waardenburg, Classical approaches to the study of religion. Aims, methods and theories of research. Vol. I: Introduction and anthology; II: Bibliography. Mouton, The Hague/Paris 1973/74; 742 and 332 pp. Deel 3 en 4 in de Serie Religion and Reason. - P.E. de Josselin de Jong, Rodney Needham, Right & left: Essays on dual symbolic classification. Chicago and London: University of Chicago Press. xxxix + 449 pp. 1973. - P.E. de Josselin de Jong, Ino Rossi, The unconscious in culture: The structuralism of Claude Lévi-Strauss in perspective. E.P. Dutton & Co., New York 1974. 487 pp. - David S. Moyer, Rodney Needham, Remarks and inventions: Skeptical essays about kinship. Tavistock Publications, London, 1974. 181 pp. - John Beattie, Hilary Henson, British social anthropologists and language: A history of separate development. Clarendon Press Oxford 1974. 147 pp. - Jeremy Boissevain, Joseph Aquilina, A comparative dictionary of Maltese proverbs. Royal University of Malta. Malta 1972. 1iii, 694 pp., bibl., Indices, Appendices. - Rita Bolland, Marta Hoffman, The warp-weighted loom, studies in the history and technology of an ancient implement. Universiteitsforlaget, Oslo, etc. (heruitgave van 1964), in: Serie Studia Norvegica, z.j., 425 pp. - Peter J.M. Nas, Abner Cohen, Urban Ethnicity. A.S.A. Monograph 12, Tavistock Publications Limited. London, 1974. XXIV + 391 pp., Figs., Maps. - P.J. Zoetmulder, Himansu Bhusan Sarkar, Corpus of the inscriptions of Java (Corpus Inscriptionum Javanicorum) (up to 928 A.D.), K.L. Mukhopadhyay, Calcutta, 1972. Vol. I 314 pp., Vol. II 359 pp. - J.G. Oosten, Wilhelmina van Wetering, Hekserij bij de Djuka. Een sociologische benadering. Academisch proefschrift, gestencilde uitgave, 1973. - Willem F.L. Buschkens, Richard Price, Maroon societies, rebel slave communities in the Americas. Anchor Books, Anchor Press/Doubleday Garden City, New York 1973. 429 pag., 7 ill.
    Type of Medium: Online Resource
    ISSN: 0006-2294 , 2213-4379
    Language: Unknown
    Publisher: Brill
    Publication Date: 1976
    detail.hit.zdb_id: 2484489-5
    SSG: 7,23
    SSG: 10
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  • 5
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2002
    In:  Canadian Journal of Anaesthesia Vol. 49, No. S1 ( 2002-6), p. A60-A148
    In: Canadian Journal of Anaesthesia, Springer Science and Business Media LLC, Vol. 49, No. S1 ( 2002-6), p. A60-A148
    Type of Medium: Online Resource
    ISSN: 0832-610X , 1496-8975
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2002
    detail.hit.zdb_id: 2050416-0
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  • 6
    In: BJS Open, Oxford University Press (OUP), Vol. 6, No. 1 ( 2022-01-06)
    Abstract: Postoperative acute kidney injury (AKI) is a common complication of major gastrointestinal surgery with an impact on short- and long-term survival. No validated system for risk stratification exists for this patient group. This study aimed to validate externally a prognostic model for AKI after major gastrointestinal surgery in two multicentre cohort studies. Methods The Outcomes After Kidney injury in Surgery (OAKS) prognostic model was developed to predict risk of AKI in the 7 days after surgery using six routine datapoints (age, sex, ASA grade, preoperative estimated glomerular filtration rate, planned open surgery and preoperative use of either an angiotensin-converting enzyme inhibitor or an angiotensin receptor blocker). Validation was performed within two independent cohorts: a prospective multicentre, international study (‘IMAGINE’) of patients undergoing elective colorectal surgery (2018); and a retrospective regional cohort study (‘Tayside’) in major abdominal surgery (2011–2015). Multivariable logistic regression was used to predict risk of AKI, with multiple imputation used to account for data missing at random. Prognostic accuracy was assessed for patients at high risk (greater than 20 per cent) of postoperative AKI. Results In the validation cohorts, 12.9 per cent of patients (661 of 5106) in IMAGINE and 14.7 per cent (106 of 719 patients) in Tayside developed 7-day postoperative AKI. Using the OAKS model, 558 patients (9.6 per cent) were classified as high risk. Less than 10 per cent of patients classified as low-risk developed AKI in either cohort (negative predictive value greater than 0.9). Upon external validation, the OAKS model retained an area under the receiver operating characteristic (AUC) curve of range 0.655–0.681 (Tayside 95 per cent c.i. 0.596 to 0.714; IMAGINE 95 per cent c.i. 0.659 to 0.703), sensitivity values range 0.323–0.352 (IMAGINE 95 per cent c.i. 0.281 to 0.368; Tayside 95 per cent c.i. 0.253 to 0.461), and specificity range 0.881–0.890 (Tayside 95 per cent c.i. 0.853 to 0.905; IMAGINE 95 per cent c.i. 0.881 to 0.899). Conclusion The OAKS prognostic model can identify patients who are not at high risk of postoperative AKI after gastrointestinal surgery with high specificity. Presented to Association of Surgeons in Training (ASiT) International Conference 2018 (Edinburgh, UK), European Society of Coloproctology (ESCP) International Conference 2018 (Nice, France), SARS (Society of Academic and Research Surgery) 2020 (Virtual, UK).
    Type of Medium: Online Resource
    ISSN: 2474-9842
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2902033-5
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  • 7
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2003
    In:  Canadian Journal of Anesthesia Vol. 50, No. S1 ( 2003-6), p. A69-A183
    In: Canadian Journal of Anesthesia, Springer Science and Business Media LLC, Vol. 50, No. S1 ( 2003-6), p. A69-A183
    Type of Medium: Online Resource
    ISSN: 0832-610X , 1496-8975
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2003
    detail.hit.zdb_id: 2050416-0
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  • 8
    In: British Journal of Surgery, Oxford University Press (OUP), Vol. 107, No. 8 ( 2020-06-15), p. 1023-1032
    Abstract: 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.
    Type of Medium: Online Resource
    ISSN: 0007-1323 , 1365-2168
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2006309-X
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  • 9
    Online Resource
    Online Resource
    Brill ; 1973
    In:  Bijdragen tot de taal-, land- en volkenkunde / Journal of the Humanities and Social Sciences of Southeast Asia Vol. 129, No. 1 ( 1973), p. 151-194
    In: Bijdragen tot de taal-, land- en volkenkunde / Journal of the Humanities and Social Sciences of Southeast Asia, Brill, Vol. 129, No. 1 ( 1973), p. 151-194
    Abstract: - M. Heerma van Voss, J. Vergote, De godsdienst van de Egyptenaren. Romen, Roermond 1971. 125 p., plaat op omslag. - W. Thoden van Velzen-van Wetering, Alan Harwood, Witchcraft, sorcery and social categories among the Safwa. Oxford University Press for the International African Institute, London 1970. 160 p. - J.G. Oosten, E.E. Evans Pritchard, Nuer Religion, Clarendon Press, Oxford University Press, Oxford 1970. 335 p., 15 pl., 5 figs. - A.A. Trouwborst, Robert Brain, Bangwa Funerary Sculpture. Art and Society Series, Edited by Peter J. Ucko. Gerald Duckworth & Company Limited, London 1971, XII en 148 pp., plates, figures, colour plates., Adam Pollock (eds.) - A.A. Trouwborst, E.E. Evans-Pritchard, The Azande. History and political institutions. Oxford University Press, London 1971. 444 pages, maps, figures, plates. - John Beattie, Jack Goody, Technology, tradition and the state in Africa. Oxford University Press for the International African Institute, London 1971. 88 pp. - D.H. Reader, Mia Brandel-Syrier, Reeftown elite: A study of social mobility in a modern African community on the Reef. Routledge and Kegan Paul, London 1971. 335 p., 4 figs. - R. Buijtenhuijs, Ariane Deluz, Organisation sociale et tradition orale: Les Guro de Côte d’Ivoire. Cahiers de l’Homme, Mouton et Co., Paris-La Haye 1970, 196 p. - John Beattie, Samwiri Rubaraza Karugire, A history of the Kingdom of Nkore in Western Uganda to 1896. Clarendon Press, Oxford Studies in African Affairs, Oxford 1971. 291 pp. - Jan Vansina, D.W. Cohen, The historical tradition of Busoga. Mukama and Kintu. (Oxford Studies in African Affairs), Clarendon Press: Oxford Univesity Press, Oxford 1972. Pp. X + 218, 9 kaartjes. - Th. Gerold-Scheepers, Alexander Alland jr., Adaptation in cultural evolution: an approach to medical anthropology. Columbia University Press, New York and London, 1970. IX + 188 p. and 6 p. bibliography. - J. Prins, Heribert Adam, South Africa. Sociological Perspectives. Oxford University Press, London-New York-Toronto-Cape Town, 1971. XII en 300 bladzijden tekst; elke bijdrage voorzien van een lijst van “references”; een bibliografie (blz. 301-332) en een index (blz. 333-340). - Wim van Zanten, Hugo Zemp, Musique Dan - La musique dans la pensée et la vie sociale d’une société africaine. Cahiers de l’Homme, Mouton, Paris 1971. 320 pages, 16 photographs. - Jan Knappert, W.H. Whiteley, Language use and social change, Problems of multilingualism with special reference to Eastern Africa. Published for the International African Institute by Oxford University Press, London 1970. 406 p. - Rudolf van Zantwijk, John L. Gwaltney, The thrice shy: Cultural accomodation to blindness and other disasters in a Mexican community. Columbia University Press, New York, London, 1970. X + 219 p. - Th. J.J. Leyenaar, Carlo T.E. Gay, Xochipala; the beginnings of Olmec Art. Princeton University Press, Princeton, New Jersey 1972. 62 pp., 42 ills. - A.J. Bernert Kempers, Dag Strömbäck, Leading folklorists of the North. Biographical studies edited by Dag Strömbäck in collaboration with B. Alver, B. Holbeck and L. Virtanen. Universitetsforlaget, Oslo-Bergen-Tromsö, 1971. 435 blz. - L. Brunt, Hetty Nooy-Palm, Staphorster Volk. Een cultureel antropologische verkenning van een streekdorp. Uitgeverij Boom, Meppel 1971. Voorwoord door de uitgever en Ten Geleide door Sj. Groenman. 240 pp. met bijlagen en foto’s.
    Type of Medium: Online Resource
    ISSN: 0006-2294 , 2213-4379
    Language: Unknown
    Publisher: Brill
    Publication Date: 1973
    detail.hit.zdb_id: 2484489-5
    SSG: 7,23
    SSG: 10
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  • 10
    In: British Journal of Anaesthesia, Elsevier BV, Vol. 126, No. 1 ( 2021-01), p. 56-66
    Type of Medium: Online Resource
    ISSN: 0007-0912
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2021
    detail.hit.zdb_id: 2011968-9
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