• Is pituitary MRI screening necessary in cluster headache? 

      Grangeon, Lou; OConnor, Emer; Danno, Daisuke; Ngoc, Thanh Mai Pham; Cheema, Sanjay; Tronvik, Erling Andreas; Davagnanam, Indran; Matharu, Manjit (Peer reviewed; Journal article, 2021)
      Objective To determine the prevalence and clinical predictors of pituitary adenomas in cluster headache patients, in order to determine the necessity of performing dedicated pituitary magnetic resonance imaging in patients ...
    • Nutcracker syndrome mimicking new daily persistent headache: A case report 

      Stubberud, Anker; Cheema, Sanjay; Tronvik, Erling Andreas; Matharu, Manjit (Peer reviewed; Journal article, 2020)
      Introduction Compression of the duodenum and left renal vein between the aorta and superior mesenteric artery usually leads to symptoms of proximal bowel obstruction or hematuria and, more rarely, nonspecific mild ...
    • An open-label observational study and meta-analysis of non-invasive vagus nerve stimulation in medically refractory chronic cluster headache 

      Simmonds, Lucy; Lagrata, Susie; Stubberud, Anker; Cheema, Sanjay; Tronvik, Erling Andreas; Matharu, Manjit; Kamourieh, Salwa (Peer reviewed; Journal article, 2023)
      Background: Many patients with cluster headache (CH) are inadequately controlled by current treatment options. Non-invasive vagus nerve stimulation (nVNS) is reported to be effective in the management of CH though some ...
    • Phenotype of new daily persistent headache: subtypes and comparison to transformed chronic daily headache 

      Cheema, Sanjay; Stubberud, Anker; Rantell, Khadija; Nachev, Parashkev; Tronvik, Erling Andreas; Matharu, Manjit (Peer reviewed; Journal article, 2023)
      Background It is unknown whether new daily persistent headache (NDPH) is a single disorder or heterogenous group of disorders, and whether it is a unique disorder from chronic migraine and chronic tension-type headache. ...