Cervicogenic Dizziness Differential Diagnosis & Treatment Jessica Pyatt, SPT Regis University July 2010 Case Presentation Objectives • By the completion of this case presentation the audience will: ▫ Be able to indicate potential patient presentation/ history items in individuals with cervical spine associated dizziness ▫ Be able to transfer evaluative T&M to the differential diagnosis of individual’s with / without cervicogenic dizziness. ▫ Ascertain potential treatment options for patients with cervicogenic dizziness Why Should I Care? • 8 Million primary care visits for dizziness / year • Individuals over 65 y/o: ▫ 39% of falls partial attributable to dizziness • Whiplash Associated Disorder ▫ Resulting Dizziness in: ▫ 40-80% ▫ 20-58% • 1/3 of individuals with neck pain also have dizziness ▫ Prolonged disability / pain Humphreys 2008; Reid 3005 Patient Presentation • Female, 62 y/o • L > R scapular / upper trap and neck pain • Headaches & Dizziness: ▫ along temples, behind eyes with nausea and dizziness ▫ “head does not belong to my body” “disorientated/off” • Light headedness: ▫ stands too fast / up at night • Falls 2-3 x / week • Worse: ▫ with/at work, stress, computer use, rotating head & neck • Better: ▫ pain medication, self message, up and moving around (walking/not at computer) Medical History • Breast cancer: ▫ L mastectomy, Tran Flap reconstruction, R lumpectomy & radiation • Osteoporosis • Scoliosis • Arthritis: neck, low back, ▫ Jt pain & swelling • • • • • HTN ∞ Stomach / GI / IBS Depression ∞, anxiety ∞ (including sleeping medication) Difficult concentrating, fatigue & stress Patient report of unremarkable imaging ***** ∞ Medications Observation • • • • • • • • Guarded Slight forward head posture “cranial shift’’/ upper cervical SB Nodding of head / neck to look over glasses L shoulder elevation Flat thoracic spine Thoracic: R convexity scolosis Palpation: ▫ Thoracic right prominence throughout / R rotated, ▫ B upper trap / scapular/ RTC tenderness / spasm ▫ B 1st rib tenderness Screening Exam • BP 124/78 • Strength: WNL • Sensation: ▫ WNL to light touch bilaterally • Reflexes: 2+ symmetrical • Hoffman’s: negative • Cervical ROM: ▫ ▫ ▫ ▫ Flexion: 56 (WNL) Extension 75 (WNL) ∞ “tight” Sidebend: L = 57 R = 46 ∞ “tight” Rotation: L = 68 R = 55 limited, slight provocation Differential ?????? Differential • • • • • • • • • • • • Wrisley, 2000; Landel 2010; Brandt, 2001 BPPV Perilymphatic fistual Labyrinthine concussion Migraine –related vertigo, photophobia Central / peripheral vestibular dysfunction VBI – vetebral basilar insufficiency Vestibular system / vestibular nerve Brain injury / central vestibular Orthostatic Hypotension / vascular Double vision – glasses Oculomotor Drugs / alcohol intoxication “Diagnosis of Exclusion” • Rule Out Red Flags: ▫ ▫ ▫ ▫ Oculomotor tests Nystagmus-??? Smooth pursuit - ???? Vetebral Artery • Peripheral : ▫ Position ▫ Hallpike ▫ ENG/VNG • Orthostatic Hypotension Cervicogenic Dizziness Description • • • • • • • • • Vague Not spinning / vertigo like Unsteady Spacey Disconnected Disoriented Floating Lightheaded – without faint feeling Difficult concentrating Special Tests • Sharp Pursuer: Negative • Alar Ligamant testing (SB & rotation): negative • Transverse Ligament Test: ▫ Negative ??? ▫ Prolonged hold 30 seconds = slight nausea On a bad day / retesting • OA nodding / AA rotation ▫ Symmetrical ▫ AA slight limitation Special Tests • Sustained End Range Rotation: Negative bilaterally ▫ No change in blood flow at C1/2, C5/6 during hold ▫ Reduction on return to neutral ▫ Rest period for pre-manipulative / manual testing Zaina 2003 • Spurlings: ▫ Bilaterally reproduced upper cervical pain, no UE s/s • Compression: ▫ reproduces L sided neck pain • CRLF: + Right Cervical vs Vestibular Move body under head: Head and neck together as one unit: + symptoms suggests cervical + symptoms central or peripheral vestibular involvement involvement + with body turn L / R cervical rotation Sensory Systems Visual Vestibular Somatosensory C1-C3 Mechanoreceptors Cervical Dorsal Roots Vestibular Nuclei Superior Colliculus Coordinate visual & cervical motion Sensory Cervicogenic • • • • • • • • • • Vague dizziness description Episodes with neck movement Imbalance Occipital/ bi-temporal headaches Episodic dizziness minutes to hours ***** “head not straight” Not walking straight Falls Impaired ROM Oculomotor abnormalities Cervicogenic Dizziness • Dizziness & Neck Pain Together • Postural control / increased sway • Cervical muscle function ▫ DNF ▫ Extensors • Joint position errors • Temperature hypersensitivity • Post-traumatic stress Neck Pain Manual PT of Cervicogenic Dizziness: A Systematic Review (Reid 2005) Low quality – Level 3 Evidence Positive / Significant improvement with manual PT Wrisley, 2000: 73-82% of patients reduced s/s with manual PT Karlberg, 1996 Malmstrom 2007 Treatments: Jt mobilization Soft Tissue Stabilization Relaxation Ergonomic Self “SNAG” Reid, 2008 Postural Control • Balance Training Posture & Ergonomics Cervical Flexion Test • Staged test of deep cervical flexor motor control • Air filled stabilizer sensor • Start: 20 mmHg, 2 mmHg increments ▫ Hold 5 or 10 seconds ▫ No SCM contraction / no head lift • Results: 26 mmHg x 10 sec Jull, 2000; Falla 2003, 2004 • WAD average 23+/- 1.3 mm, • Asymptomatic average 28 +/- 1.7 mmHg Deep neck flexor endurance: 23 seconds Cervical Extensors Joint Position Error • 90 cm from wall • Eyes closed • Angle = tan-1 (error distance / 90 cm) ▫ 7.1 cm = 4.5 degrees ▫ Greater than 4.5 degrees = impairment • Lee, 2006 test, retest reliability of assessing jt position error • Kristjansson 2009 Expert Opinion / Clinical Review • Lee, 2006: Test-retest reliability of cervicocephalic kinestathic sensibility • Jull 2007: Reduction in jt position error with training • Revel, 1994 Outcomes…....Still to Come • Dizziness VAS: 6/10 average at intake • NDI : ▫ 6-2-10: 14/50 or 28% ▫ 6-16-10: 24/50 or 48% 6-16 • FABQPA: 12/24 • FABQW: 20/42 • Pain VAS: 6-7/10 ---- 2/10 ---- 3-4/10 • Decreased frequency of dizziness sxs / week Du, du, du, du…du, du, duuuu. Du, du, du, du DU, dudududuuu. • Name one sxs that must accompany ‘dizziness’ to be cervicogenic in origin…… • Cervicogenic dizziness is described as……….. • Normal deep neck flexor endurance is ______. • Normal cervical joint position error is less than ________ degrees. Psychosocial Aspects • • • • • • • Emotional Disorientation Depression Anxiety Fear of open spaces Inability to perform ADLs Employment (Gudleski, 2005) 7-14 Days Stress Episodes IBS / Pain / Dizziness References • • • • • • • • • • Alix ME, Bates DK. A proposed etiology of cervicogenic headache: the neurophysiologica basis and anatomic relationship between the dura mater and the rectus capitis minor muscle. J Manipulative Physio Ther. 1999; 22: 534-539. Brandt T, Bronstein AM. Cervical vertigo. J Neurol Neurosurg Psychiatry. 2001. 71: 8-12. Eldridge L, Russel J. 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