Comparing the Patient Experience Between a 360° γ-Camera and a Conventional Dual-Head γ-Camera

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FIGURE 1.
Conventional Anger camera (left) vs. Veriton-CT scanner (right), with 360° detector design. (Courtesy of Spectrum Dynamics Medical.)
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FIGURE 2.
Questionnaire on experience of nuclear imaging patient.
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FIGURE 3.
Spread of survey responses across 4 experience factors.

TABLE 1

Characteristics of Nuclear Imaging Scanners in Our Department

Characteristic	Discovery	Veriton-CT
γ-camera	Anger camera	Digital camera
Detector	Sodium iodide scintillator	12 cadmium-zinc-telluride detectors
Configuration	Dual-head around imaging table	Circular pattern around imaging table
Bore size	70 cm	80 cm
CT	16 slices	16 slices

TABLE 2

Spread of Nuclear Imaging Scan Indications Across Discovery and Veriton-CT over 4-Month Period

Indication	Discovery	Veriton-CT
Bone	98	192
Parathyroid	4	27
Lung	16	47
Thyroid	11	0
Renal dimercaptosuccinic acid	17	0
Renogram mercaptoacetyltriglycine	19	0
Cardiac	40	0
Brain ¹²³I-ioflupane scan	31	2
Sentinel node localization and imaging	3	5
Radionuclide selenium homocholic acid taurine bile study	42	0
Gastric emptying study (single)	10	0
Other	5	1
Total	296	274

TABLE 3

Patient Characteristics of Noncompleted Scans Due to Claustrophobia

Patient no.	Indication	Comments regarding claustrophobia
1	Bone	Booked on Veriton-CT but managed only CT, not SPECT
2	Bone	Booked on Veriton-CT but partial scan on Discovery
3	Bone	Booked on Veriton-CT but partial scan (no CT) on Discovery
4	Parathyroid	Booked on Veriton-CT but complete scan on Discovery
5	Bone	Booked on Discovery; head and body done separately
6	Bone	Booked on Discovery but managed only SPECT, not CT