Analgesia and sedative effects of a fixed nitrous oxide/oxygen mixture on supragingival scaling patients: a study protocol for a randomised controlled trial

Introduction
Pain during supragingival scaling is often uncomfortable for patients, causing varying degrees of fear and anxiety, thus affecting patient comfort and compliance during treatment and reducing the effectiveness of treatment. Nitrous oxide/oxygen mixtures have the advantages of analgesic and sedative effects and are well tolerated. The purpose of this study is to explore the safety and effectiveness of a fixed inhaled nitrous oxide/oxygen mixture analgesia technology in the process of supragingival scaling and to provide empirical evidence for patients to reduce pain and reduce anxiety during supragingival scaling.

Methods and analysis
This is a randomised, double-blind, placebo-controlled trial that is expected to enrol 120 patients. We will recruit patients undergoing supragingival scaling procedures. Participants will be allocated randomly to either the intervention group (A) or the control group (B) in a 1:1 ratio. Dental hygienists, dental assistants, patients and the collector of the data will all blind themselves to the study. Nurses who carry out the intervention will give doctors envelopes containing the patient’s identification code and the group to which they have been assigned (Group A or Group B). Group A will be given the standard treatment plus a premixed combination of nitrous oxide and oxygen, while Group B will receive oxygen alone in the standard treatment without any sedative analgesics, all under uniform conditions. Evaluations will take place prior to treatment (T0), at 5 min into the intervention (T1), at 15 min during the intervention (T2) and 5 min following the treatment (T3). The primary outcomes will be pain scores and anxiety scores, which will be assessed using the Numeric Rating Scale and the Visual Analogue Scale for Anxiety. Secondary outcome indicators in this study will include patients’ vital signs, side effects and physician and patient satisfaction.

Ethics and dissemination
This study was approved by the Medical Ethics Committee of the 960th Logistics Support Force of the People’s Liberation Army. Written informed consent form will be obtained from each participant. Results will be submitted for publication in peer-reviewed journals.

Trial registration number
ChiCTR2400090261.

Protocol version
Protocol version 1.1.

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Incidence, progression and predictors of chronic kidney disease among adult HIV/AIDS patients on antiretroviral treatment in comprehensive specialised hospitals in the Amhara Region, Ethiopia, 2022: a multi-centre retrospective follow-up study

Objective
To assess the incidence, progression and predictors of chronic kidney disease among adult patients living with HIV/AIDS who are receiving antiretroviral therapy.

Design
An institution-based, multicentre retrospective follow-up study was conducted among a randomly selected sample of 535 adult patients. Data were entered into Epi Data version 4.6.0 and analysed using STATA version 14.0. A Cox proportional hazards regression model was fitted to identify independent predictors of chronic kidney disease incidence. Variables with p

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Brachial plexus nerve block versus haematoma block for closed reduction of distal radius fracture in adults: The BLOCK Trial – a protocol for a multicentre randomised controlled trial

Introduction
Distal radius fractures account for one-fifth of all fractures in the active elderly population and may cause chronic pain, loss of hand function and reduced work productivity, imposing a significant socioeconomic burden. Most are initially treated with closed reduction and casting, but 30% subsequently require surgery due to insufficient realignment. The current approaches for analgesia for closed reduction are suboptimal. A brachial plexus nerve block provides complete pain relief and muscle relaxation distal to the elbow, potentially creating better conditions for realignment of the fractured bone ends. This may ultimately translate into reduced need for surgery and result in better functional outcomes and fewer complications compared to a haematoma block, which is the current standard care in Denmark.

Methods and analysis
The BLOCK Trial is an investigator-initiated, parallel-group, allocation-concealed, outcome assessor and analyst-blinded, superiority, randomised, controlled, clinical multicentre trial performed at 11 Danish emergency departments. Eligible adult patients with a distal radius fracture who need closed reduction will be included and allocated 1:1 to either an ultrasound-guided brachial plexus nerve block or a haematoma block. The primary outcome is the proportion of patients with distal radius fracture surgery 90 days after closed reduction. We will include 1716 participants to detect or discard a relative risk reduction of surgery of 20%. Secondary outcomes include treatment-related complications, patient-reported wrist function, pain during closed reduction and proportion of patients with unacceptable radiographic fracture position immediately after closed reduction.

Ethics and disseminationf
The trial is approved by the Danish Medicines Agency and the Danish Research Ethics Committees (EU CT number: 2024-512191-35-00). All results will be summarised on www.theblocktrial.com, clinicaltrials.gov and euclinicaltrials.eu after publication. Primary and secondary outcome results from 0 to 90 days will be presented in the main article and submitted to a peer-reviewed journal. Results from outcomes on the 12-month follow-up will be presented separately.

Trial registration number
NCT06678438.

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Fattori di rischio per diabete nei pazienti con epatite C: il ruolo chiave del genotipo 3a e della cirrosi [Gastroenterologia ed epatologia]

Uno studio pubblicato su BMC Gastroenterology ha evidenziato che nei pazienti con epatite C cronica (CHC), genotipo 3a, età, cirrosi, ipertensione e insulino-resistenza e altri fattori indipendenti sono associati allo sviluppo di diabete di tipo 2 (T2DM). Interventi precoci nei pazienti a rischio possono migliorare la prognosi e ridurre le complicanze gravi.

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La remissione in Reumatologia tra clinica, imaging e percezione del paziente #EULAR2025 [Ortopedia e Reumatologia]

Negli ultimi anni, il concetto di remissione ha acquisito un valore strategico nella cura delle spondiloartriti e di altre malattie reumatologiche, Di questo tema ha parlato la prof.ssa Maria Antonietta d’Agostino (Direttore UOC Reumatologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma) nel corso del congresso EULAR e, in questa sede, proponiamo alcuni highlight emersi nel corso della sua relazione.

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Tumore della prostata: presentata la campagna 'Allo Specchio della Salute' [Oncologia-Ematologia]

In Italia, il carcinoma della prostata rappresenta la neoplasia più diffusa tra gli uomini over 50, incidendo per circa il 30% su tutti i tumori maschili, con 40.192 nuovi casi stimati solo nel 2024. È stata presentata oggi, in Senato la campagna di sensibilizzazione ‘Allo Specchio della Salute – uno spazio di confronto sul carcinoma prostatico’, pensata per coinvolgere l’intera comunità nel dibattito intorno alla gestione e cura di questa patologia. Un’intera giornata dedicata al carcinoma della prostata suddivisa in due appuntamenti sinergici e xomplementari: la conferenza stampa seguita dalla campagna di awareness.

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Lazio

Elenco dei centri specialistici della Regione Lazio, per la cura […]

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