Table of contents

Letters

• Letter: Coagulation concerns in patients with COVID-19 proposed for regional anesthesia (28 May, 2020) Free

  Angela Barbosa Mendes, Constança Penedos, Luísa Vaz Rodrigues, Joana Santos Varandas, Neusa Lages, Humberto Machado
• Letter: Semispinalis capitis muscle is a key factor in defining cervical nerve block effect (6 July, 2020)

  Yuichi Ohgoshi
• Letter: Novel cervical erector spinae plane block: interfascial layers remain important in the spread of anesthetics (6 July, 2020)

  Ban C H Tsui, Hesham Elsharkawy
• Letter: Accumulating marginal gains (21 June, 2020)

  P A Lonnqvist, Manoj Kumar Karmakar
• Letter: Breast surgery without general anesthesia: is paravertebral blockade sufficient? (29 July, 2020)

  Joanne Guay MD
• Letter: Leveraging video telehealth for the transitional pain service in response to COVID-19 (9 June, 2020)

  Oluwatobi O Hunter, Edward R Mariano, T Kyle Harrison
• Letter: Anterior suprascapular block may not avoid diaphragmatic paralysis (13 July, 2020)

  Sami Kaan Coşarcan, Yavuz Gürkan, Alper Tunga Doğan, Ömür Erçelen
• Letter: Letter to the editor: regarding a recent publication on the association between abuse and adverse effects of analgesic medications (6 November, 2020)

  Zhongxi Zheng, Kathryn Curtis, Anuj Bhatia
• Letter:

  Letter to the editor: response to Zheng et al

  (6 November, 2020)

  Jennifer Pierce, Afton Hassett, Jill R Schneiderhan, Jude Divers, Chad M Brummett, Jenna McAfee
• Letter: Existing evidence and logical lapsus (8 February, 2021)

  Julián Aliste, Sebastián Layera, Daniela Bravo, Raviwan Akarapatima, De Q Tran
• Letter:

  In response to Dr Aliste et al

  (8 February, 2021)

  Laura Giron Arango, Anahi Perlas