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Diabetes do tipo 2 em adultos

Última revisión: 20 Aug 2025
Última actualización: 20 Nov 2024

Resumen

Definición

Anamnesis y examen

Principales factores de diagnóstico

  • presença de fatores de risco
  • assintomático
  • polidipsia
  • poliúria
Todos los datos

Otros factores de diagnóstico

  • infecções por cândida
  • infecções cutâneas
  • infecções do trato urinário
  • fadiga
  • visão turva
  • polifagia
  • perda de peso não intencional
  • parestesias
  • acantose nigricans
Todos los datos

Factores de riesgo

  • idade avançada
  • sobrepeso/obesidade
  • diabetes gestacional
  • hiperglicemia não diabética
  • história familiar de diabetes do tipo 2
  • ascendência não branca
  • síndrome do ovário policístico
  • hipertensão
  • dislipidemia
  • doença cardiovascular
  • estresse
Todos los datos

Pruebas diagnósticas

Primeras pruebas diagnósticas para solicitar

  • glicemia de jejum
  • HbA1c
  • glicemia 2 horas após sobrecarga com ingesta de 75 g de glicose
  • glicemia plasmática aleatória
Todos los datos

Pruebas diagnósticas que deben considerarse

  • perfil lipídico em jejum
  • cetonúria
  • relação entre albumina e creatinina (RAC)
  • creatinina sérica e taxa de filtração glomerular (TFG) estimada
  • eletrocardiograma (ECG)
  • índice de pressão tornozelo-braquial (ITB)
  • peptídeo C aleatório
  • testagem de autoanticorpos
  • testes da função hepática
Todos los datos

Algoritmo de tratamiento

Inicial

no diagnóstico inicial

Agudo

HbA1C acima da meta: não gestante

HbA1C acima do limite acordado na farmacoterapia inicial ou alterações de risco cardiovascular: não gestante

gestante

撰稿人

作者

Surya Rajeev, MBBS, MRCP, MD

Consultant Physician and Clinical Director

Department of Diabetes and Endocrinology

Liverpool University Hospital NHS Foundation Trust

UK

利益声明

SR has received reimbursement from Novo Nordisk for conferences, and has presented paid lectures.

鸣谢

Dr Surya Rajeev would like to gratefully acknowledge Dr Partha Kar, Dr Amar Puttanna, Dr Patrick J. O'Connor and Dr JoAnn M. Sperl-Hillen, the previous contributors to this topic.

利益声明

PK has sat on advisory boards and attended events reimbursed by Novo Nordisk, Eli Lilly, and Sanofi. AP has received honoraria from Napp, Novo Nordisk, Sanofi, Lilly-Boehringer Ingelheim, Daiichi-Sankyo, and AstraZeneca for presentation at meetings, conference registration, or participating in advisory boards. PJO receives research funding from the National Institutes of Health on multiple projects and is an author of a number of references cited in this topic. JMS-H is an author of a number of references cited in this topic and is an inventor on a US patent for Disease Treatment Simulation, a simulation-based technology developed without commercial support to educate health providers on chronic disease management in a virtual environment.

同行评议者

Vinod Patel, MD, FRCP, FHEA, MRCGP, DRCOG, MBChB, BSc (Hons), RCPathME

Professor, Diabetes and Clinical Skills

Warwick Medical School

University of Warwick

Hon Consultant in Endocrinology and Diabetes, Acute Medicine, Medical Obstetrics

Diabetes and Endocrinology Centre

George Eliot Hospital NHS Trust

Nuneaton

Clinical Director for Diabetes West Midlands Clinical Networks & Clinical Senate

NHS England and NHS Improvement - Midlands

UK

利益声明

VP declares he has worked with most of the large pharmaceutical industry groups over the years with the majority of the work being in education of healthcare professionals in diabetes care. This includes Novo Nordisk, Eli Lily, MSD, BI, Sanofi, Napp, Internis, Takeda, and AZ. VP has been part of advisory board work on occasions. VP has received conference arrangements and lecture fees. VP is a trustee of the charity South Asian Health Foundation.

Gregory Lip, MD, FRCP, DFM, FACC, FESC, FEHRA

Price-Evans Professor of Cardiovascular Medicine

University of Liverpool

Senior Investigator

National Institute for Health Research

UK

Distinguished Professor

Faculty of Medicine

Aalborg University

Denmark

Adjunct Professor

Yonsei University

Seoul

South Korea

利益声明

GL has acted as a consultant and speaker for BMS/Pfizer, Boehringer Ingelheim, and Daiichi-Sankyo.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

参考文献

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

关键文献

National Institute for Health and Care Excellence. Type 2 diabetes in adults: management. Jun 2022 [internet publication].全文

Marx N, Federici M, Schütt K, et al. 2023 ESC Guidelines for the management of cardiovascular disease in patients with diabetes. Eur Heart J. 2023 Oct 14;44(39):4043-140.全文  摘要

National Institute for Health and Care Excellence. Diabetes in pregnancy: management from preconception to the postnatal period. Dec 2020 [internet publication].全文

Davies MJ, Aroda VR, Collins BS, et al. Management of hyperglycemia in type 2 diabetes, 2022. A consensus report by the American Diabetes Association (ADA) and the European Association for the Study of Diabetes (EASD). Diabetes Care. 2022 Nov 1;45(11):2753-86.全文  摘要

参考文献

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
  • Diabetes do tipo 2 em adultos images
  • 鉴别诊断

    • Hiperglicemia não diabética (pré-diabetes)
    • Diabetes mellitus, tipo 1
    • Diabetes autoimune latente do adulto (LADA)
    更多 鉴别诊断
  • 指南

    • 2023 ESC guidelines for the management of cardiovascular disease in patients with diabetes
    • Management of hyperglycaemia in type 2 diabetes, 2022
    更多 指南
  • 患者教育信息

    Diabetes do tipo 2: devo tomar insulina?

    Diabetes: o que posso fazer para me manter saudável?

    更多 患者教育信息
  • 医学计算器

    Probabilidade de cirrose na hepatite C (FIB-4)

    Taxa de filtração glomerular estimada pela equação CKD-EPI

    更多 医学计算器
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