Document ID: chunk:federal_register_of_legislation:F2018L00902:reg:9
Version: federal_register_of_legislation:F2018L00902
Segment Type: reg
Provision Reference: reg 9
Character Range: 4866–7360

9               Factors that must exist
At least one of the following factors must as a minimum exist before it can be said that a reasonable hypothesis has been raised connecting cluster headache or death from cluster headache with the circumstances of a person's relevant service:
(1)          having trauma to the skull or face of the affected side within the seven days before the clinical onset of cluster headache;
Note:  trauma to the skull or face is defined in the Schedule 1 - Dictionary.
(2)          having concussion or moderate to severe traumatic brain injury before the clinical onset of cluster headache, where cluster headache has developed within the seven days of:
            (a)          injury to the head; or
            (b)          regaining consciousness following the injury to the head; or
            (c)          discontinuing medication that impairs the ability to sense or report headache following the injury to the head;
(3)          undergoing eye exenteration of the affected side within the two years before the clinical onset of cluster headache;
Note:  exenteration is defined in the Schedule 1 - Dictionary.
(4)          having sleep apnoea at the time of the clinical onset of cluster headache;
(5)          smoking at least ten pack-years of cigarettes, or the equivalent thereof in other tobacco products, before the clinical onset of cluster headache;
Note:  pack-years of cigarettes, or the equivalent thereof in other tobacco products is defined in the Schedule 1 - Dictionary.
(6)          using intranasal cocaine at least four times per month for the one year before the clinical onset of cluster headache;
(7)          having sleep apnoea at the time of the clinical worsening of cluster headache;
(8)          smoking at least ten pack-years of cigarettes, or the equivalent thereof in other tobacco products, before the clinical worsening of cluster headache;
Note:  pack-years of cigarettes, or the equivalent thereof in other tobacco products is defined in the Schedule 1 - Dictionary.
(9)          taking glyceryl trinitrate, isosorbide mononitrate or isosorbide dinitrate within the 24 hours before the clinical worsening of cluster headache;
(10)      consuming alcohol within the 24 hours before the clinical worsening of cluster headache;
(11)      being treated with sildenafil within the 24 hours before the clinical worsening of cluster headache;
(12)      inability to obtain appropriate clinical management for cluster headache.