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关于女性为何会出现晚期乳腺癌的一种基于实证的解释。

A grounded explanation of why women present with advanced breast cancer.

作者信息

Taib Nur Aishah, Yip Cheng Har, Low Wah Yun

机构信息

Department of Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia,

出版信息

World J Surg. 2014 Jul;38(7):1676-84. doi: 10.1007/s00268-013-2339-4.

Abstract

BACKGROUND

Advanced breast cancer presentation remains a large obstacle in lowering mortality rates in low- and middle-resource countries. This study aims to explore the reasons why women present with breast cancer at an advanced stage.

METHODS

Purposive sampling of 19 breast cancer patients presenting with advanced cancer that were diagnosed within 2 years at the University Malaya Medical Centre, Kuala Lumpur, Malaysia. In-depth interviews were conducted, and audio-recordings were transcribed. Sample size was determined by theoretic sufficiency, and the constructivist grounded theory method was used.

RESULTS

The reasons for delayed presentation can be displayed in two models. The total breast cancer delay (TBCD) model was derived from the journey of the patients. Four concepts emerged: (1) pluralistic health systems; (2) points of delay; (3) presence of patient or system delays, and (4) patient decision-making at each stage. Eight points of delay were found. At each point, evidence of a patient decision-making model emerged: the breast cancer delay explanatory (BCDE) model, which was the process of assessing severity and knowing and choosing options. The four main operational constructs were (1) knowledge on disease and disease outcomes, (2) knowledge of treatment and treatment outcomes, (3) psychological and physical resources and support; and (4) roles in decision-making.

CONCLUSIONS

The phenomenon is explained by the TBCD and BCDE models. Deconstructing why women present with advanced breast cancer and resist treatment provides clarity of the issues and opportunities for intervention.

摘要

背景

在中低收入国家,晚期乳腺癌的现状仍然是降低死亡率的一大障碍。本研究旨在探究女性在晚期才出现乳腺癌症状的原因。

方法

采用目的抽样法,选取了19例在马来西亚吉隆坡马来亚大学医学中心于2年内确诊为晚期癌症的乳腺癌患者。进行了深入访谈,并对录音进行了转录。样本量由理论充分性决定,并采用了建构主义扎根理论方法。

结果

延迟就诊的原因可归纳为两种模式。总乳腺癌延迟(TBCD)模式源自患者的就医过程。出现了四个概念:(1)多元医疗体系;(2)延迟点;(3)患者或系统延迟的存在,以及(4)患者在每个阶段的决策。发现了八个延迟点。在每个延迟点,都出现了患者决策模型的证据:乳腺癌延迟解释(BCDE)模型,即评估严重程度、了解并选择治疗方案的过程。四个主要的操作结构是:(1)对疾病和疾病结果的了解;(2)对治疗和治疗结果的了解;(3)心理和生理资源及支持;以及(4)决策中的角色。

结论

该现象由TBCD和BCDE模型进行解释。剖析女性出现晚期乳腺癌并抗拒治疗的原因,可为干预问题和机遇提供清晰的思路。

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